diff --git a/services/git-bridge/.idea/libraries/gson_2_3.xml b/services/git-bridge/.idea/libraries/gson_2_3.xml
new file mode 100644
index 0000000000..0053310073
--- /dev/null
+++ b/services/git-bridge/.idea/libraries/gson_2_3.xml
@@ -0,0 +1,11 @@
+<component name="libraryTable">
+  <library name="gson-2.3">
+    <CLASSES>
+      <root url="jar://$PROJECT_DIR$/libs/gson-2.3.jar!/" />
+    </CLASSES>
+    <JAVADOC>
+      <root url="jar://$PROJECT_DIR$/libs/gson-2.3-javadoc.jar!/" />
+    </JAVADOC>
+    <SOURCES />
+  </library>
+</component>
\ No newline at end of file
diff --git a/services/git-bridge/.idea/workspace.xml b/services/git-bridge/.idea/workspace.xml
index 8cdb8f1168..c91270deb1 100644
--- a/services/git-bridge/.idea/workspace.xml
+++ b/services/git-bridge/.idea/workspace.xml
@@ -8,14 +8,10 @@
   <component name="ChangeListManager">
     <list default="true" id="0c822a5a-f421-4f3c-b941-5c2809c4546f" name="Default" comment="">
       <change type="MODIFICATION" beforePath="$PROJECT_DIR$/src/uk/ac/ic/wlgitbridge/writelatex/api/DummySnapshotDBAPI.java" afterPath="$PROJECT_DIR$/src/uk/ac/ic/wlgitbridge/writelatex/api/DummySnapshotDBAPI.java" />
-      <change type="MODIFICATION" beforePath="$PROJECT_DIR$/src/uk/ac/ic/wlgitbridge/writelatex/api/SnapshotDBAPI.java" afterPath="$PROJECT_DIR$/src/uk/ac/ic/wlgitbridge/writelatex/api/SnapshotDBAPI.java" />
-      <change type="MODIFICATION" beforePath="$PROJECT_DIR$/src/uk/ac/ic/wlgitbridge/writelatex/SnapshotRepositoryBuilder.java" afterPath="$PROJECT_DIR$/src/uk/ac/ic/wlgitbridge/writelatex/SnapshotRepositoryBuilder.java" />
-      <change type="MODIFICATION" beforePath="$PROJECT_DIR$/src/uk/ac/ic/wlgitbridge/bridge/WLBridgedProject.java" afterPath="$PROJECT_DIR$/src/uk/ac/ic/wlgitbridge/bridge/WLBridgedProject.java" />
-      <change type="MODIFICATION" beforePath="$PROJECT_DIR$/test/uk/ac/ic/wlgitbridge/test/bridge/WLBridgedProjectTests.java" afterPath="$PROJECT_DIR$/test/uk/ac/ic/wlgitbridge/test/bridge/WLBridgedProjectTests.java" />
-      <change type="MODIFICATION" beforePath="$PROJECT_DIR$/src/uk/ac/ic/wlgitbridge/application/WLGitBridgeServer.java" afterPath="$PROJECT_DIR$/src/uk/ac/ic/wlgitbridge/application/WLGitBridgeServer.java" />
-      <change type="MODIFICATION" beforePath="$PROJECT_DIR$/src/uk/ac/ic/wlgitbridge/git/WLGitServlet.java" afterPath="$PROJECT_DIR$/src/uk/ac/ic/wlgitbridge/git/WLGitServlet.java" />
-      <change type="MODIFICATION" beforePath="$PROJECT_DIR$/src/uk/ac/ic/wlgitbridge/git/handler/WLReceivePackFactory.java" afterPath="$PROJECT_DIR$/src/uk/ac/ic/wlgitbridge/git/handler/WLReceivePackFactory.java" />
+      <change type="MODIFICATION" beforePath="$PROJECT_DIR$/src/uk/ac/ic/wlgitbridge/writelatex/Snapshot.java" afterPath="$PROJECT_DIR$/src/uk/ac/ic/wlgitbridge/writelatex/Snapshot.java" />
+      <change type="MODIFICATION" beforePath="$PROJECT_DIR$/build.xml" afterPath="$PROJECT_DIR$/build.xml" />
       <change type="MODIFICATION" beforePath="$PROJECT_DIR$/.idea/workspace.xml" afterPath="$PROJECT_DIR$/.idea/workspace.xml" />
+      <change type="MODIFICATION" beforePath="$PROJECT_DIR$/writelatex-git-bridge.iml" afterPath="$PROJECT_DIR$/writelatex-git-bridge.iml" />
     </list>
     <ignored path="writelatex-git-bridge.iws" />
     <ignored path=".idea/workspace.xml" />
@@ -38,11 +34,21 @@
   </component>
   <component name="FileEditorManager">
     <leaf>
-      <file leaf-file-name="WLGitServlet.java" pinned="false" current="false" current-in-tab="false">
-        <entry file="file://$PROJECT_DIR$/src/uk/ac/ic/wlgitbridge/git/WLGitServlet.java">
+      <file leaf-file-name="SnapshotRepositoryBuilder.java" pinned="false" current="false" current-in-tab="false">
+        <entry file="file://$PROJECT_DIR$/src/uk/ac/ic/wlgitbridge/writelatex/SnapshotRepositoryBuilder.java">
           <provider selected="true" editor-type-id="text-editor">
-            <state vertical-scroll-proportion="0.0" vertical-offset="0" max-vertical-offset="495">
-              <caret line="22" column="53" selection-start-line="22" selection-start-column="53" selection-end-line="22" selection-end-column="53" />
+            <state vertical-scroll-proportion="0.0" vertical-offset="0" max-vertical-offset="675">
+              <caret line="20" column="67" selection-start-line="20" selection-start-column="67" selection-end-line="20" selection-end-column="67" />
+              <folding />
+            </state>
+          </provider>
+        </entry>
+      </file>
+      <file leaf-file-name="build.xml" pinned="false" current="true" current-in-tab="true">
+        <entry file="file://$PROJECT_DIR$/build.xml">
+          <provider selected="true" editor-type-id="text-editor">
+            <state vertical-scroll-proportion="0.16886544" vertical-offset="4121" max-vertical-offset="4500">
+              <caret line="279" column="0" selection-start-line="279" selection-start-column="0" selection-end-line="279" selection-end-column="0" />
               <folding />
             </state>
           </provider>
@@ -58,21 +64,31 @@
           </provider>
         </entry>
       </file>
-      <file leaf-file-name="SnapshotDBAPI.java" pinned="false" current="false" current-in-tab="false">
-        <entry file="file://$PROJECT_DIR$/src/uk/ac/ic/wlgitbridge/writelatex/api/SnapshotDBAPI.java">
+      <file leaf-file-name="DummySnapshotDBAPI.java" pinned="false" current="false" current-in-tab="false">
+        <entry file="file://$PROJECT_DIR$/src/uk/ac/ic/wlgitbridge/writelatex/api/DummySnapshotDBAPI.java">
           <provider selected="true" editor-type-id="text-editor">
-            <state vertical-scroll-proportion="0.0" vertical-offset="0" max-vertical-offset="330">
-              <caret line="10" column="27" selection-start-line="10" selection-start-column="27" selection-end-line="10" selection-end-column="27" />
+            <state vertical-scroll-proportion="0.0" vertical-offset="0" max-vertical-offset="645">
+              <caret line="23" column="0" selection-start-line="23" selection-start-column="0" selection-end-line="23" selection-end-column="0" />
               <folding />
             </state>
           </provider>
         </entry>
       </file>
-      <file leaf-file-name="DummySnapshotDBAPI.java" pinned="false" current="false" current-in-tab="false">
-        <entry file="file://$PROJECT_DIR$/src/uk/ac/ic/wlgitbridge/writelatex/api/DummySnapshotDBAPI.java">
+      <file leaf-file-name="Snapshot.java" pinned="false" current="false" current-in-tab="false">
+        <entry file="file://$PROJECT_DIR$/src/uk/ac/ic/wlgitbridge/writelatex/Snapshot.java">
           <provider selected="true" editor-type-id="text-editor">
-            <state vertical-scroll-proportion="0.0" vertical-offset="0" max-vertical-offset="450">
-              <caret line="18" column="13" selection-start-line="18" selection-start-column="13" selection-end-line="18" selection-end-column="13" />
+            <state vertical-scroll-proportion="0.0" vertical-offset="0" max-vertical-offset="405">
+              <caret line="16" column="34" selection-start-line="16" selection-start-column="34" selection-end-line="16" selection-end-column="34" />
+              <folding />
+            </state>
+          </provider>
+        </entry>
+      </file>
+      <file leaf-file-name="JSONSource.java" pinned="false" current="false" current-in-tab="false">
+        <entry file="file://$PROJECT_DIR$/src/uk/ac/ic/wlgitbridge/writelatex/JSONSource.java">
+          <provider selected="true" editor-type-id="text-editor">
+            <state vertical-scroll-proportion="0.0" vertical-offset="0" max-vertical-offset="270">
+              <caret line="7" column="27" selection-start-line="7" selection-start-column="27" selection-end-line="7" selection-end-column="27" />
               <folding />
             </state>
           </provider>
@@ -82,37 +98,27 @@
         <entry file="file://$PROJECT_DIR$/src/uk/ac/ic/wlgitbridge/writelatex/api/DummySnapshotAPI.java">
           <provider selected="true" editor-type-id="text-editor">
             <state vertical-scroll-proportion="0.0" vertical-offset="0" max-vertical-offset="420">
-              <caret line="7" column="13" selection-start-line="7" selection-start-column="13" selection-end-line="7" selection-end-column="13" />
+              <caret line="10" column="0" selection-start-line="10" selection-start-column="0" selection-end-line="10" selection-end-column="0" />
               <folding />
             </state>
           </provider>
         </entry>
       </file>
-      <file leaf-file-name="WLRepositoryResolver.java" pinned="false" current="false" current-in-tab="false">
-        <entry file="file://$PROJECT_DIR$/src/uk/ac/ic/wlgitbridge/git/handler/WLRepositoryResolver.java">
-          <provider selected="true" editor-type-id="text-editor">
-            <state vertical-scroll-proportion="0.0" vertical-offset="0" max-vertical-offset="750">
-              <caret line="24" column="49" selection-start-line="24" selection-start-column="49" selection-end-line="24" selection-end-column="49" />
-              <folding />
-            </state>
-          </provider>
-        </entry>
-      </file>
-      <file leaf-file-name="WLBridgedProject.java" pinned="false" current="true" current-in-tab="true">
+      <file leaf-file-name="WLBridgedProject.java" pinned="false" current="false" current-in-tab="false">
         <entry file="file://$PROJECT_DIR$/src/uk/ac/ic/wlgitbridge/bridge/WLBridgedProject.java">
           <provider selected="true" editor-type-id="text-editor">
-            <state vertical-scroll-proportion="0.47563806" vertical-offset="0" max-vertical-offset="1293">
-              <caret line="41" column="25" selection-start-line="41" selection-start-column="25" selection-end-line="41" selection-end-column="25" />
+            <state vertical-scroll-proportion="0.0" vertical-offset="270" max-vertical-offset="945">
+              <caret line="7" column="39" selection-start-line="7" selection-start-column="39" selection-end-line="7" selection-end-column="39" />
               <folding />
             </state>
           </provider>
         </entry>
       </file>
-      <file leaf-file-name="WLGitBridgeServer.java" pinned="false" current="false" current-in-tab="false">
-        <entry file="file://$PROJECT_DIR$/src/uk/ac/ic/wlgitbridge/application/WLGitBridgeServer.java">
+      <file leaf-file-name="SnapshotAPI.java" pinned="false" current="false" current-in-tab="false">
+        <entry file="file://$PROJECT_DIR$/src/uk/ac/ic/wlgitbridge/writelatex/api/SnapshotAPI.java">
           <provider selected="true" editor-type-id="text-editor">
-            <state vertical-scroll-proportion="0.0" vertical-offset="0" max-vertical-offset="1200">
-              <caret line="38" column="31" selection-start-line="38" selection-start-column="31" selection-end-line="38" selection-end-column="31" />
+            <state vertical-scroll-proportion="0.0" vertical-offset="0" max-vertical-offset="315">
+              <caret line="10" column="0" selection-start-line="10" selection-start-column="0" selection-end-line="10" selection-end-column="0" />
               <folding />
             </state>
           </provider>
@@ -128,16 +134,6 @@
           </provider>
         </entry>
       </file>
-      <file leaf-file-name="WLUploadPackFactory.java" pinned="false" current="false" current-in-tab="false">
-        <entry file="file://$PROJECT_DIR$/src/uk/ac/ic/wlgitbridge/git/handler/WLUploadPackFactory.java">
-          <provider selected="true" editor-type-id="text-editor">
-            <state vertical-scroll-proportion="0.0" vertical-offset="0" max-vertical-offset="375">
-              <caret line="13" column="13" selection-start-line="13" selection-start-column="13" selection-end-line="13" selection-end-column="13" />
-              <folding />
-            </state>
-          </provider>
-        </entry>
-      </file>
     </leaf>
   </component>
   <component name="FindManager">
@@ -151,7 +147,6 @@
   <component name="IdeDocumentHistory">
     <option name="changedFiles">
       <list>
-        <option value="$PROJECT_DIR$/test/uk/ac/ic/test/git/WLUploadPackTests.java" />
         <option value="$PROJECT_DIR$/test/uk/ac/ic/test/MainTests.java" />
         <option value="$PROJECT_DIR$/test/uk/ac/ic/wlgitbridge/test/MainTests.java" />
         <option value="$PROJECT_DIR$/writelatex-git-bridge.properties" />
@@ -176,11 +171,9 @@
         <option value="$PROJECT_DIR$/test/uk/ac/ic/wlgitbridge/test/application/exception/InvalidProgramArgumentsExceptionTests.java" />
         <option value="$PROJECT_DIR$/test/uk/ac/ic/wlgitbridge/test/git/exception/InvalidRootDirectoryPathException.java" />
         <option value="$PROJECT_DIR$/src/uk/ac/ic/wlgitbridge/git/handler/WLRepositoryResolver.java" />
-        <option value="$PROJECT_DIR$/build.xml" />
         <option value="$PROJECT_DIR$/src/uk/ac/ic/wlgitbridge/writelatex/RepositoryBuilder.java" />
         <option value="$PROJECT_DIR$/src/uk/ac/ic/wlgitbridge/writelatex/SnapshotAPIFacade.java" />
         <option value="$PROJECT_DIR$/src/uk/ac/ic/wlgitbridge/writelatex/DummySnapshotAPIFacade.java" />
-        <option value="$PROJECT_DIR$/src/uk/ac/ic/wlgitbridge/writelatex/Snapshot.java" />
         <option value="$PROJECT_DIR$/src/uk/ac/ic/wlgitbridge/writelatex/DummySnapshotDBAPI.java" />
         <option value="$PROJECT_DIR$/src/uk/ac/ic/wlgitbridge/writelatex/SnapshotDBAPI.java" />
         <option value="$PROJECT_DIR$/src/uk/ac/ic/wlgitbridge/writelatex/SnapshotAPI.java" />
@@ -195,20 +188,23 @@
         <option value="$PROJECT_DIR$/test/uk/ac/ic/wlgitbridge/test/writelatex/SnapshotRepositoryBoulderTests.java" />
         <option value="$PROJECT_DIR$/test/uk/ac/ic/wlgitbridge/test/writelatex/SnapshotRepositoryBuilderTests.java" />
         <option value="$PROJECT_DIR$/src/uk/ac/ic/wlgitbridge/writelatex/api/SnapshotDBAPI.java" />
-        <option value="$PROJECT_DIR$/src/uk/ac/ic/wlgitbridge/writelatex/api/DummySnapshotDBAPI.java" />
-        <option value="$PROJECT_DIR$/src/uk/ac/ic/wlgitbridge/bridge/WLBridgedProject.java" />
         <option value="$PROJECT_DIR$/test/uk/ac/ic/wlgitbridge/test/bridge/WLBridgedProjectTests.java" />
         <option value="$PROJECT_DIR$/src/uk/ac/ic/wlgitbridge/writelatex/SnapshotRepositoryBuilder.java" />
         <option value="$PROJECT_DIR$/src/uk/ac/ic/wlgitbridge/git/handler/WLReceivePackFactory.java" />
         <option value="$PROJECT_DIR$/src/uk/ac/ic/wlgitbridge/git/WLGitServlet.java" />
         <option value="$PROJECT_DIR$/src/uk/ac/ic/wlgitbridge/application/WLGitBridgeServer.java" />
+        <option value="$PROJECT_DIR$/src/uk/ac/ic/wlgitbridge/writelatex/api/DummySnapshotDBAPI.java" />
+        <option value="$PROJECT_DIR$/src/uk/ac/ic/wlgitbridge/bridge/WLBridgedProject.java" />
+        <option value="$PROJECT_DIR$/src/uk/ac/ic/wlgitbridge/writelatex/JSONSource.java" />
+        <option value="$PROJECT_DIR$/src/uk/ac/ic/wlgitbridge/writelatex/Snapshot.java" />
+        <option value="$PROJECT_DIR$/build.xml" />
       </list>
     </option>
   </component>
   <component name="ProjectFrameBounds">
     <option name="y" value="23" />
-    <option name="width" value="2069" />
-    <option name="height" value="1413" />
+    <option name="width" value="1366" />
+    <option name="height" value="741" />
   </component>
   <component name="ProjectLevelVcsManager" settingsEditedManually="false">
     <OptionsSetting value="true" id="Add" />
@@ -792,6 +788,20 @@
               <option name="myItemType" value="com.android.tools.idea.gradle.projectView.AndroidPsiDirectoryNode" />
             </PATH_ELEMENT>
           </PATH>
+          <PATH>
+            <PATH_ELEMENT>
+              <option name="myItemId" value="writelatex-git-bridge" />
+              <option name="myItemType" value="com.intellij.ide.projectView.impl.nodes.ProjectViewProjectNode" />
+            </PATH_ELEMENT>
+            <PATH_ELEMENT>
+              <option name="myItemId" value="writelatex-git-bridge" />
+              <option name="myItemType" value="com.android.tools.idea.gradle.projectView.AndroidPsiDirectoryNode" />
+            </PATH_ELEMENT>
+            <PATH_ELEMENT>
+              <option name="myItemId" value="libs" />
+              <option name="myItemType" value="com.android.tools.idea.gradle.projectView.AndroidPsiDirectoryNode" />
+            </PATH_ELEMENT>
+          </PATH>
         </subPane>
       </pane>
       <pane id="Scope" />
@@ -805,7 +815,7 @@
     <property name="MemberChooser.sorted" value="false" />
     <property name="MemberChooser.showClasses" value="true" />
     <property name="MemberChooser.copyJavadoc" value="false" />
-    <property name="project.structure.last.edited" value="Artifacts" />
+    <property name="project.structure.last.edited" value="Libraries" />
     <property name="project.structure.proportion" value="0.15" />
     <property name="project.structure.side.proportion" value="0.2" />
     <property name="GenerateAntBuildDialog.generateSingleFile" value="true" />
@@ -815,7 +825,7 @@
     <property name="GenerateAntBuildDialog.inclineRuntiemClasspath" value="false" />
     <property name="GenerateAntBuildDialog.generateIdeaHomeProperty" value="false" />
     <property name="GenerateAntBuildDialog.outputFileNameProperty" value="writelatex-git-bridge" />
-    <property name="last_opened_file_path" value="$PROJECT_DIR$/writelatex-git-bridge.xml" />
+    <property name="last_opened_file_path" value="$PROJECT_DIR$/libs/gson-2.3-javadoc.jar!/" />
     <property name="recentsLimit" value="5" />
     <property name="dynamic.classpath" value="false" />
     <property name="OverrideImplement.combined" value="true" />
@@ -833,13 +843,13 @@
       <recent name="uk.ac.ic.wlgitbridge.application" />
       <recent name="uk.ac.ic.wlgitbridge.git" />
     </key>
+    <key name="MoveFile.RECENT_KEYS">
+      <recent name="$PROJECT_DIR$/libs" />
+    </key>
     <key name="MoveClassesOrPackagesDialog.RECENTS_KEY">
       <recent name="uk.ac.ic.wlgitbridge" />
       <recent name="uk.ac.ic" />
     </key>
-    <key name="MoveFile.RECENT_KEYS">
-      <recent name="$PROJECT_DIR$/libs" />
-    </key>
   </component>
   <component name="RunManager" selected="Application.writelatex-git-bridge">
     <configuration default="true" type="#org.jetbrains.idea.devkit.run.PluginConfigurationType" factoryName="Plugin">
@@ -1046,8 +1056,8 @@
     <servers />
   </component>
   <component name="ToolWindowManager">
-    <frame x="0" y="23" width="2069" height="1413" extended-state="6" />
-    <editor active="true" />
+    <frame x="0" y="23" width="1366" height="741" extended-state="6" />
+    <editor active="false" />
     <layout>
       <window_info id="Documentation" active="false" anchor="right" auto_hide="false" internal_type="DOCKED" type="FLOATING" visible="false" weight="0.33" sideWeight="0.5" order="3" side_tool="false" content_ui="tabs" x="100" y="123" width="1166" height="541" />
       <window_info id="Palette&#9;" active="false" anchor="left" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" weight="0.33" sideWeight="0.5" order="2" side_tool="false" content_ui="tabs" />
@@ -1055,18 +1065,18 @@
       <window_info id="Designer" active="false" anchor="right" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" weight="0.33" sideWeight="0.5" order="3" side_tool="false" content_ui="tabs" />
       <window_info id="Palette" active="false" anchor="right" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" weight="0.33" sideWeight="0.5" order="3" side_tool="false" content_ui="tabs" />
       <window_info id="Terminal" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" weight="0.32886904" sideWeight="0.5" order="7" side_tool="false" content_ui="tabs" />
-      <window_info id="Ant Build" active="false" anchor="right" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="true" weight="0.1242146" sideWeight="0.5" order="1" side_tool="false" content_ui="tabs" />
+      <window_info id="Ant Build" active="true" anchor="right" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="true" weight="0.18814056" sideWeight="0.5" order="1" side_tool="false" content_ui="tabs" />
       <window_info id="Debug" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" weight="0.4" sideWeight="0.5" order="3" side_tool="false" content_ui="tabs" />
       <window_info id="Event Log" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" weight="0.33" sideWeight="0.5" order="7" side_tool="true" content_ui="tabs" />
       <window_info id="Favorites" active="false" anchor="left" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" weight="0.33" sideWeight="0.5" order="2" side_tool="true" content_ui="tabs" />
       <window_info id="Version Control" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" weight="0.33" sideWeight="0.5" order="7" side_tool="false" content_ui="tabs" />
-      <window_info id="Messages" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" weight="0.26785713" sideWeight="0.5" order="7" side_tool="false" content_ui="tabs" />
+      <window_info id="Messages" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="true" weight="0.26785713" sideWeight="0.5" order="7" side_tool="false" content_ui="tabs" />
       <window_info id="TODO" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" weight="0.33" sideWeight="0.5" order="6" side_tool="false" content_ui="tabs" />
       <window_info id="Structure" active="false" anchor="left" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" weight="0.25" sideWeight="0.5" order="1" side_tool="false" content_ui="tabs" />
       <window_info id="Maven Projects" active="false" anchor="right" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" weight="0.33" sideWeight="0.5" order="3" side_tool="false" content_ui="tabs" />
       <window_info id="Commander" active="false" anchor="right" auto_hide="false" internal_type="SLIDING" type="SLIDING" visible="false" weight="0.4" sideWeight="0.5" order="0" side_tool="false" content_ui="tabs" />
       <window_info id="Application Servers" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" weight="0.33" sideWeight="0.5" order="7" side_tool="false" content_ui="tabs" />
-      <window_info id="Project" active="false" anchor="left" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="true" weight="0.16578057" sideWeight="0.5" order="0" side_tool="false" content_ui="combo" />
+      <window_info id="Project" active="false" anchor="left" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="true" weight="0.2510981" sideWeight="0.5" order="0" side_tool="false" content_ui="combo" />
       <window_info id="Run" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" weight="0.3169643" sideWeight="0.5" order="2" side_tool="false" content_ui="tabs" />
       <window_info id="Cvs" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" weight="0.25" sideWeight="0.5" order="4" side_tool="false" content_ui="tabs" />
       <window_info id="Message" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" weight="0.33" sideWeight="0.5" order="0" side_tool="false" content_ui="tabs" />
@@ -1315,14 +1325,6 @@
         </state>
       </provider>
     </entry>
-    <entry file="file://$PROJECT_DIR$/build.xml">
-      <provider selected="true" editor-type-id="text-editor">
-        <state vertical-scroll-proportion="0.0" vertical-offset="3780" max-vertical-offset="4365">
-          <caret line="281" column="70" selection-start-line="281" selection-start-column="70" selection-end-line="281" selection-end-column="70" />
-          <folding />
-        </state>
-      </provider>
-    </entry>
     <entry file="file://$PROJECT_DIR$/src/uk/ac/ic/wlgitbridge/Main.java">
       <provider selected="true" editor-type-id="text-editor">
         <state vertical-scroll-proportion="0.0" vertical-offset="0" max-vertical-offset="300">
@@ -1371,14 +1373,6 @@
         </state>
       </provider>
     </entry>
-    <entry file="file://$PROJECT_DIR$/src/uk/ac/ic/wlgitbridge/writelatex/api/SnapshotAPI.java">
-      <provider selected="true" editor-type-id="text-editor">
-        <state vertical-scroll-proportion="0.0" vertical-offset="0" max-vertical-offset="315">
-          <caret line="10" column="0" selection-start-line="10" selection-start-column="0" selection-end-line="10" selection-end-column="0" />
-          <folding />
-        </state>
-      </provider>
-    </entry>
     <entry file="file://$PROJECT_DIR$/test/uk/ac/ic/wlgitbridge/test/bridge/WLBridgedProjectTests.java">
       <provider selected="true" editor-type-id="text-editor">
         <state vertical-scroll-proportion="0.0" vertical-offset="0" max-vertical-offset="345">
@@ -1395,14 +1389,6 @@
         </state>
       </provider>
     </entry>
-    <entry file="file://$PROJECT_DIR$/src/uk/ac/ic/wlgitbridge/writelatex/SnapshotRepositoryBuilder.java">
-      <provider selected="true" editor-type-id="text-editor">
-        <state vertical-scroll-proportion="0.0" vertical-offset="0" max-vertical-offset="675">
-          <caret line="20" column="67" selection-start-line="20" selection-start-column="67" selection-end-line="20" selection-end-column="67" />
-          <folding />
-        </state>
-      </provider>
-    </entry>
     <entry file="file://$PROJECT_DIR$/src/uk/ac/ic/wlgitbridge/application/WLGitBridgeApplication.java">
       <provider selected="true" editor-type-id="text-editor">
         <state vertical-scroll-proportion="0.0" vertical-offset="225" max-vertical-offset="1290">
@@ -1411,14 +1397,6 @@
         </state>
       </provider>
     </entry>
-    <entry file="file://$PROJECT_DIR$/src/uk/ac/ic/wlgitbridge/writelatex/Snapshot.java">
-      <provider selected="true" editor-type-id="text-editor">
-        <state vertical-scroll-proportion="0.0" vertical-offset="0" max-vertical-offset="195">
-          <caret line="5" column="13" selection-start-line="5" selection-start-column="13" selection-end-line="5" selection-end-column="13" />
-          <folding />
-        </state>
-      </provider>
-    </entry>
     <entry file="file://$PROJECT_DIR$/src/uk/ac/ic/wlgitbridge/git/handler/WLRepositoryResolver.java">
       <provider selected="true" editor-type-id="text-editor">
         <state vertical-scroll-proportion="0.0" vertical-offset="120" max-vertical-offset="750">
@@ -1451,22 +1429,6 @@
         </state>
       </provider>
     </entry>
-    <entry file="file://$PROJECT_DIR$/src/uk/ac/ic/wlgitbridge/writelatex/api/DummySnapshotDBAPI.java">
-      <provider selected="true" editor-type-id="text-editor">
-        <state vertical-scroll-proportion="0.0" vertical-offset="0" max-vertical-offset="450">
-          <caret line="18" column="13" selection-start-line="18" selection-start-column="13" selection-end-line="18" selection-end-column="13" />
-          <folding />
-        </state>
-      </provider>
-    </entry>
-    <entry file="file://$PROJECT_DIR$/src/uk/ac/ic/wlgitbridge/writelatex/api/DummySnapshotAPI.java">
-      <provider selected="true" editor-type-id="text-editor">
-        <state vertical-scroll-proportion="0.0" vertical-offset="0" max-vertical-offset="390">
-          <caret line="7" column="13" selection-start-line="7" selection-start-column="13" selection-end-line="7" selection-end-column="13" />
-          <folding />
-        </state>
-      </provider>
-    </entry>
     <entry file="file://$PROJECT_DIR$/src/uk/ac/ic/wlgitbridge/git/WLGitServlet.java">
       <provider selected="true" editor-type-id="text-editor">
         <state vertical-scroll-proportion="0.0" vertical-offset="0" max-vertical-offset="495">
@@ -1491,10 +1453,66 @@
         </state>
       </provider>
     </entry>
+    <entry file="file://$PROJECT_DIR$/src/uk/ac/ic/wlgitbridge/writelatex/api/SnapshotAPI.java">
+      <provider selected="true" editor-type-id="text-editor">
+        <state vertical-scroll-proportion="0.0" vertical-offset="0" max-vertical-offset="315">
+          <caret line="10" column="0" selection-start-line="10" selection-start-column="0" selection-end-line="10" selection-end-column="0" />
+          <folding />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/src/uk/ac/ic/wlgitbridge/writelatex/api/DummySnapshotAPI.java">
+      <provider selected="true" editor-type-id="text-editor">
+        <state vertical-scroll-proportion="0.0" vertical-offset="0" max-vertical-offset="420">
+          <caret line="10" column="0" selection-start-line="10" selection-start-column="0" selection-end-line="10" selection-end-column="0" />
+          <folding />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/src/uk/ac/ic/wlgitbridge/writelatex/SnapshotRepositoryBuilder.java">
+      <provider selected="true" editor-type-id="text-editor">
+        <state vertical-scroll-proportion="0.0" vertical-offset="0" max-vertical-offset="675">
+          <caret line="20" column="67" selection-start-line="20" selection-start-column="67" selection-end-line="20" selection-end-column="67" />
+          <folding />
+        </state>
+      </provider>
+    </entry>
     <entry file="file://$PROJECT_DIR$/src/uk/ac/ic/wlgitbridge/bridge/WLBridgedProject.java">
       <provider selected="true" editor-type-id="text-editor">
-        <state vertical-scroll-proportion="0.47563806" vertical-offset="0" max-vertical-offset="1293">
-          <caret line="41" column="25" selection-start-line="41" selection-start-column="25" selection-end-line="41" selection-end-column="25" />
+        <state vertical-scroll-proportion="0.0" vertical-offset="270" max-vertical-offset="945">
+          <caret line="7" column="39" selection-start-line="7" selection-start-column="39" selection-end-line="7" selection-end-column="39" />
+          <folding />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/src/uk/ac/ic/wlgitbridge/writelatex/api/DummySnapshotDBAPI.java">
+      <provider selected="true" editor-type-id="text-editor">
+        <state vertical-scroll-proportion="0.0" vertical-offset="0" max-vertical-offset="645">
+          <caret line="23" column="0" selection-start-line="23" selection-start-column="0" selection-end-line="23" selection-end-column="0" />
+          <folding />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/src/uk/ac/ic/wlgitbridge/writelatex/JSONSource.java">
+      <provider selected="true" editor-type-id="text-editor">
+        <state vertical-scroll-proportion="0.0" vertical-offset="0" max-vertical-offset="270">
+          <caret line="7" column="27" selection-start-line="7" selection-start-column="27" selection-end-line="7" selection-end-column="27" />
+          <folding />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/src/uk/ac/ic/wlgitbridge/writelatex/Snapshot.java">
+      <provider selected="true" editor-type-id="text-editor">
+        <state vertical-scroll-proportion="0.0" vertical-offset="0" max-vertical-offset="405">
+          <caret line="16" column="34" selection-start-line="16" selection-start-column="34" selection-end-line="16" selection-end-column="34" />
+          <folding />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/build.xml">
+      <provider selected="true" editor-type-id="text-editor">
+        <state vertical-scroll-proportion="0.16886544" vertical-offset="4121" max-vertical-offset="4500">
+          <caret line="279" column="0" selection-start-line="279" selection-start-column="0" selection-end-line="279" selection-end-column="0" />
           <folding />
         </state>
       </provider>
@@ -1578,7 +1596,7 @@
       </state>
       <state key="ProjectLibrariesConfigurable.UI">
         <settings>
-          <last-edited>org.eclipse.jgit-3.5.1.201410131835-r</last-edited>
+          <last-edited>org.eclipse.jgit.http.server-3.5.1.201410131835-r</last-edited>
           <splitter-proportions>
             <option name="proportions">
               <list>
diff --git a/services/git-bridge/build.xml b/services/git-bridge/build.xml
index c2124a8741..ae82ed4a34 100644
--- a/services/git-bridge/build.xml
+++ b/services/git-bridge/build.xml
@@ -79,6 +79,10 @@
   <path id="library.org.eclipse.jgit.http.server-3.5.1.201410131835-r.classpath">
     <pathelement location="${basedir}/libs/org.eclipse.jgit.http.server-3.5.1.201410131835-r.jar"/>
   </path>
+
+  <path id="library.gson-2.3.classpath">
+    <pathelement location="${basedir}/libs/gson-2.3.jar"/>
+  </path>
   
   <!-- Modules -->
   
@@ -106,6 +110,7 @@
     <path refid="library.hamcrest-core-1.3.classpath"/>
     <path refid="library.hamcrest-library-1.3.classpath"/>
     <path refid="library.junit-4.11.classpath"/>
+    <path refid="library.gson-2.3.classpath"/>
   </path>
   
   <path id="writelatex-git-bridge.runtime.production.module.classpath">
@@ -117,6 +122,7 @@
     <path refid="library.hamcrest-core-1.3.classpath"/>
     <path refid="library.hamcrest-library-1.3.classpath"/>
     <path refid="library.junit-4.11.classpath"/>
+    <path refid="library.gson-2.3.classpath"/>
   </path>
   
   <path id="writelatex-git-bridge.module.classpath">
@@ -128,6 +134,7 @@
     <path refid="library.hamcrest-core-1.3.classpath"/>
     <path refid="library.hamcrest-library-1.3.classpath"/>
     <path refid="library.junit-4.11.classpath"/>
+    <path refid="library.gson-2.3.classpath"/>
   </path>
   
   <path id="writelatex-git-bridge.runtime.module.classpath">
@@ -140,6 +147,7 @@
     <path refid="library.hamcrest-core-1.3.classpath"/>
     <path refid="library.hamcrest-library-1.3.classpath"/>
     <path refid="library.junit-4.11.classpath"/>
+    <path refid="library.gson-2.3.classpath"/>
   </path>
   
   
@@ -241,6 +249,7 @@
       <zipfileset excludes="META-INF/**/*" src="${basedir}/libs/org.eclipse.jgit-3.5.1.201410131835-r.jar"/>
       <zipfileset excludes="META-INF/**/*" src="${basedir}/libs/jetty-all-9.2.3.v20140905.jar"/>
       <zipfileset excludes="META-INF/**/*" src="${basedir}/libs/hamcrest-library-1.3.jar"/>
+      <zipfileset excludes="META-INF/**/*" src="${basedir}/libs/gson-2.3.jar"/>
     </jar>
     <copy file="${temp.jar.path.writelatex-git-bridge.jar}" tofile="${artifact.temp.output.writelatex-git-bridge:jar}/writelatex-git-bridge.jar"/>
   </target>
diff --git a/services/git-bridge/libs/gson-2.3-javadoc.jar b/services/git-bridge/libs/gson-2.3-javadoc.jar
new file mode 100644
index 0000000000..b0acab4950
Binary files /dev/null and b/services/git-bridge/libs/gson-2.3-javadoc.jar differ
diff --git a/services/git-bridge/libs/gson-2.3.jar b/services/git-bridge/libs/gson-2.3.jar
new file mode 100644
index 0000000000..a7f7ce5e99
Binary files /dev/null and b/services/git-bridge/libs/gson-2.3.jar differ
diff --git a/services/git-bridge/src/uk/ac/ic/wlgitbridge/writelatex/JSONSource.java b/services/git-bridge/src/uk/ac/ic/wlgitbridge/writelatex/JSONSource.java
new file mode 100644
index 0000000000..0c3f13e0f0
--- /dev/null
+++ b/services/git-bridge/src/uk/ac/ic/wlgitbridge/writelatex/JSONSource.java
@@ -0,0 +1,12 @@
+package uk.ac.ic.wlgitbridge.writelatex;
+
+import com.google.gson.JsonElement;
+
+/**
+ * Created by Winston on 06/11/14.
+ */
+public interface JSONSource {
+
+    public void updateFromJSON(JsonElement json);
+
+}
diff --git a/services/git-bridge/src/uk/ac/ic/wlgitbridge/writelatex/Snapshot.java b/services/git-bridge/src/uk/ac/ic/wlgitbridge/writelatex/Snapshot.java
index f7eb685d4f..05172cade2 100644
--- a/services/git-bridge/src/uk/ac/ic/wlgitbridge/writelatex/Snapshot.java
+++ b/services/git-bridge/src/uk/ac/ic/wlgitbridge/writelatex/Snapshot.java
@@ -1,7 +1,21 @@
 package uk.ac.ic.wlgitbridge.writelatex;
 
+import com.google.gson.JsonElement;
+
 /**
  * Created by Winston on 03/11/14.
  */
-public class Snapshot {
+public class Snapshot implements JSONSource {
+
+    private int version;
+
+    public Snapshot() {
+
+    }
+
+    @Override
+    public void updateFromJSON(JsonElement json) {
+
+    }
+
 }
diff --git a/services/git-bridge/src/uk/ac/ic/wlgitbridge/writelatex/api/DummySnapshotDBAPI.java b/services/git-bridge/src/uk/ac/ic/wlgitbridge/writelatex/api/DummySnapshotDBAPI.java
index 43abf9e25b..f5946c0099 100644
--- a/services/git-bridge/src/uk/ac/ic/wlgitbridge/writelatex/api/DummySnapshotDBAPI.java
+++ b/services/git-bridge/src/uk/ac/ic/wlgitbridge/writelatex/api/DummySnapshotDBAPI.java
@@ -3,17 +3,30 @@ package uk.ac.ic.wlgitbridge.writelatex.api;
 import org.eclipse.jgit.lib.Repository;
 import uk.ac.ic.wlgitbridge.writelatex.Snapshot;
 
+import java.util.HashMap;
 import java.util.LinkedList;
 import java.util.List;
+import java.util.Map;
 
 /**
  * Created by Winston on 03/11/14.
  */
 public class DummySnapshotDBAPI implements SnapshotDBAPI {
 
+    private Map<String, Map<String, Integer>> projects;
+
+    public DummySnapshotDBAPI() {
+        projects = new HashMap<String, Map<String, Integer>>();
+
+    }
+
+    private void initTestData() {
+
+    }
+
     @Override
     public boolean repositoryExists(String name) {
-        return true;
+        return projects.containsKey(name);
     }
 
     @Override
diff --git a/services/git-bridge/writelatex-git-bridge.iml b/services/git-bridge/writelatex-git-bridge.iml
index 439ca88633..027ce38a9c 100644
--- a/services/git-bridge/writelatex-git-bridge.iml
+++ b/services/git-bridge/writelatex-git-bridge.iml
@@ -15,6 +15,7 @@
     <orderEntry type="library" name="hamcrest-core-1.3" level="project" />
     <orderEntry type="library" name="hamcrest-library-1.3" level="project" />
     <orderEntry type="library" name="junit-4.11" level="project" />
+    <orderEntry type="library" name="gson-2.3" level="project" />
   </component>
 </module>