[teamcoco] Fix video url extraction for some videos

Video url extraction failed for some videos,
e.g. http://teamcoco.com/video/old-time-baseball

The url extracted was also occasionally suboptimal quality,
e.g. http://teamcoco.com/video/louis-ck-interview-george-w-bush
Merge pull request #1693 from alexvh/teamcoco_fix

[teamcoco] Fix video url extraction for some videos
[teamcoco] Parse the xml file and extract all the formats