[generic] Add support for camtasia videos (Fixes #3574)
[grooveshark] Use proper imports
[brightcove] Add a truncated URL warning message (#3571)
[generic] Prevent from downloading a .swf as a video

We're seeing quite a number of people who do not put a video file in the og:video field, but the player URL. Try to detect some of these and filter them out.
[generic] Require og:video URLs to contain a dot
[brightcove] Detect geoblocking
[brightcove] Add support for videoId= in og:video meta (Fixes #3571)
release 2014.08.24