Support TeamCoco URLs with video_id in the title

If the URL has the video_id in it, use that since the current method of
finding the id breaks on those pages.

Fixes 2698.

youtube_dl/extractor/teamcoco.py

@@ -9,7 +9,7 @@ from ..utils import (
 
 
 class TeamcocoIE(InfoExtractor):
-    _VALID_URL = r'http://teamcoco\.com/video/(?P<url_title>.*)'
+    _VALID_URL = r'http://teamcoco\.com/video/(?P<video_id>\d*)?/?(?P<url_title>.*)'
     _TEST = {
         'url': 'http://teamcoco.com/video/louis-ck-interview-george-w-bush',
         'file': '19705.mp4',
@@ -27,6 +27,8 @@ class TeamcocoIE(InfoExtractor):
         url_title = mobj.group('url_title')
         webpage = self._download_webpage(url, url_title)
         
+        video_id = mobj.group("video_id")
+        if video_id == '':
             video_id = self._html_search_regex(
                 r'<article class="video" data-id="(\d+?)"',
                 webpage, 'video id')