listen for close not exit when working with unzip command

sometimes the command will fail because stout has not finished yet

services/web/app/coffee/Features/Uploads/ArchiveManager.coffee

@@ -30,7 +30,7 @@ module.exports = ArchiveManager =
 				logger.error "unzip command not found. Please check the unzip command is installed"
 			callback(err)
 
-		unzip.on "exit", () ->
+		unzip.on "close", (exitCode) ->
 			if error?
 				error = new Error(error)
 				logger.error err:error, source: source, "error checking zip size"
@@ -42,7 +42,7 @@ module.exports = ArchiveManager =
 			totalSizeInBytesAsInt = parseInt(totalSizeInBytes)
 
 			if !totalSizeInBytesAsInt? or isNaN(totalSizeInBytesAsInt)
-				logger.err source:source, totalSizeInBytes:totalSizeInBytes, totalSizeInBytesAsInt:totalSizeInBytesAsInt, lastLine:lastLine, "error getting bytes of zip"
+				logger.err source:source, totalSizeInBytes:totalSizeInBytes, totalSizeInBytesAsInt:totalSizeInBytesAsInt, lastLine:lastLine, exitCode:exitCode, "error getting bytes of zip"
 				return callback(new Error("error getting bytes of zip"))
 
 			isTooLarge = totalSizeInBytes > (ONE_MEG * 300)
@@ -50,8 +50,6 @@ module.exports = ArchiveManager =
 			callback(error, isTooLarge)
 
 
-
-
 					
 	extractZipArchive: (source, destination, _callback = (err) ->) ->
 		callback = (args...) ->
@@ -87,7 +85,7 @@ module.exports = ArchiveManager =
 					logger.error "unzip command not found. Please check the unzip command is installed"
 				callback(err)
 
-			unzip.on "exit", () ->
+			unzip.on "close", () ->
 				timer.done()
 				if error?
 					error = new Error(error)

services/web/test/UnitTests/coffee/Uploads/ArchiveManagerTests.coffee

@@ -39,7 +39,7 @@ describe "ArchiveManager", ->
 		describe "successfully", ->
 			beforeEach (done) ->
 				@ArchiveManager.extractZipArchive @source, @destination, done
-				@process.emit "exit"
+				@process.emit "close"
 
 			it "should run unzip", ->
 				@child.spawn.calledWithExactly("unzip", [@source, "-d", @destination]).should.equal true
@@ -56,7 +56,7 @@ describe "ArchiveManager", ->
 					@callback(error)
 					done()
 				@process.stderr.emit "data", "Something went wrong"
-				@process.emit "exit"
+				@process.emit "close"
 
 			it "should return the callback with an error", ->
 				@callback.calledWithExactly(new Error("Something went wrong")).should.equal true
@@ -99,35 +99,35 @@ describe "ArchiveManager", ->
 				isTooLarge.should.equal false
 				done()
 			@process.stdout.emit "data", @output("109042")
-			@process.emit "exit"
+			@process.emit "close"
 
 		it "should return true with large bytes", (done)->
 			@ArchiveManager._isZipTooLarge @source, (error, isTooLarge) =>
 				isTooLarge.should.equal true
 				done()
 			@process.stdout.emit "data", @output("1090000000000000042")
-			@process.emit "exit"
+			@process.emit "close"
 
 		it "should return error on no data", (done)->
 			@ArchiveManager._isZipTooLarge @source, (error, isTooLarge) =>
 				expect(error).to.exist
 				done()
 			@process.stdout.emit "data", ""
-			@process.emit "exit"
+			@process.emit "close"
 
 		it "should return error if it didn't get a number", (done)->
 			@ArchiveManager._isZipTooLarge @source, (error, isTooLarge) =>
 				expect(error).to.exist
 				done()
 			@process.stdout.emit "data", @output("total_size_string")
-			@process.emit "exit"
+			@process.emit "close"
 
 		it "should return error if the is only a bit of data", (done)->
 			@ArchiveManager._isZipTooLarge @source, (error, isTooLarge) =>
 				expect(error).to.exist
 				done()
 			@process.stdout.emit "data", "  Length     Date   Time    Name \n--------"
-			@process.emit "exit"
+			@process.emit "close"
 
 	describe "findTopLevelDirectory", ->
 		beforeEach ->