Add support for http://www.extremetube.com
Add support for http://www.mofosex.com
[KeezMoviesIE] Detect URLs with numbers in the SEO part correct
Add support for http://www.xtube.com
[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
[CinemassacreIE] Support more embed urls
[metacafe] Fix support for age-restricted videos (fixes #1696)

The 'Content-Type' header must be set for disabling the family filter.
The 'flashversion' cookie  is only needed for AnyClip videos.
Added tests for standard metacafe videos and for age-restricted videos.
Also set the 'age_limit' field.
Add an extractor for vk.com (closes #1635)
[youtube] Encode subtitle track name in request (Fixes #1700)
release 2013.11.02
Add an extractor for bambuser.com (#1702)
[bambuser] Add an extractor for channels (closes #1702)
[youtube] Remove vevo test

The video is no longer available and it seems that vevo video don't use encrypted signatures anymore.
[exfm] skip tests

The site is down too often.
[brightcove] Don't set the extension

If the video only has the 'FLVFullLengthURL' key, it can still be an mp4 file.
Merge pull request #1678 from rzhxeo/keezmovies

[KeezMoviesIE] Detect URLs with numbers in the SEO part correct
[ExtremeTubeIE] Set age_limit to 18 and fix uploader extraction
[XTubeIE] Add description to TEST
Add YoutubeSearchDateIE extractor to youtube.py & __init__.py, which searches by publication date.
Set the extra_info inside YoutubeDL.process_ie_result and set only if the keys are missing