InfoExtractor: add some helper methods to extract OpenGraph info
added an IE for criterion.com
added test for criterion.com
Use re.DOTALL by default when searching OpenGraph properties
YouJizzIE: support videos that define the urls in a playlist page (closes #1037)
Merge pull request #1036 from yasoob/master

Added an IE and test for Criterion videos (closes #1035).
CriterionIE: simplify some parts and use _html_search_regex
Add CanalplusIE (closes #59 and closes #918)
Merge remote-tracking branch 'jaimeMF/opengraph'
Improve OpenGraph property matching
[instagram] fix uploader_id detection (Fixes #1038)
[instagram] really fix uploader_id detection (Fixes #1038)
Strip hash info from URL when making requests (Fixes #1038)
Add LivestreamIE (closes #1042)
[livestream] fix import statement
[mtv]: rework MTVIE and add tests (closes #913)

It uses the same system as ComedyCentralIE to transform ramp urls into http.
MTVIE: fix xml tags in the media namespace (python2.6)
GametrailersIE: make it a subclass of MTVIE to reuse most of the extraction process
Added an IE for freesound.org
added test for freesound.org