[telecinco] Add extractor (closes #4005)

It uses the same extraction process as mitele.es, but with a few small differences.

youtube_dl/extractor/__init__.py

@@ -367,6 +367,7 @@
 from .teamcoco import TeamcocoIE
 from .techtalks import TechTalksIE
 from .ted import TEDIE
+from .telecinco import TelecincoIE
 from .telemb import TeleMBIE
 from .tenplay import TenPlayIE
 from .testurl import TestURLIE

youtube_dl/extractor/mitele.py

@@ -39,13 +39,21 @@ def _real_extract(self, url):
         ).replace('\'', '"')
         embed_data = json.loads(embed_data_json)
 
-        info_url = embed_data['flashvars']['host']
+        domain = embed_data['mediaUrl']
+        if not domain.startswith('http'):
+            # only happens in telecinco.es videos
+            domain = 'http://' + domain
+        info_url = compat_urllib_parse.urljoin(
+            domain,
+            compat_urllib_parse.unquote(embed_data['flashvars']['host'])
+        )
         info_el = self._download_xml(info_url, episode).find('./video/info')
 
         video_link = info_el.find('videoUrl/link').text
         token_query = compat_urllib_parse.urlencode({'id': video_link})
         token_info = self._download_json(
-            'http://token.mitele.es/?' + token_query, episode,
+            embed_data['flashvars']['ov_tk'] + '?' + token_query,
+            episode,
             transform_source=strip_jsonp
         )
 

youtube_dl/extractor/telecinco.py

@@ -0,0 +1,18 @@
+from __future__ import unicode_literals
+
+from .mitele import MiTeleIE
+
+
+class TelecincoIE(MiTeleIE):
+    IE_NAME = 'telecinco.es'
+    _VALID_URL = r'https?://www\.telecinco\.es/[^/]+/[^/]+/[^/]+/(?P<episode>.*?)\.html'
+
+    _TEST = {
+        'url': 'http://www.telecinco.es/robinfood/temporada-01/t01xp14/Bacalao-cocochas-pil-pil_0_1876350223.html',
+        'info_dict': {
+            'id': 'MDSVID20141015_0058',
+            'ext': 'mp4',
+            'title': 'Con Martín Berasategui, hacer un bacalao al ...',
+            'duration': 662,
+        },
+    }