[gameone] Add new extractor gameone

Currently only usable for downloading tv episodes residing under
http://www.gameone.de/tv/
[gameone] Added explanation for usage of http://cdn.riptide-mtvn.com/
[gameone] Added extraction of description and fixed failing tests
[gameone] Simplified extraction of description
[gameone] Added extraction of age_limit
[gameone] Added timestamp extraction
[tenplay] Add new extractor
[gameone] Fix indentation and removed unused constants
[GorillaVid] Added GorillaVid extractor
Changed video url to a public video
Added vimple.ru support
removed extra char in regexp
Verified with pep8 and pyflakes
[WrzutaIE] Add extractor for wrzuta.pl (fixes #3072)
[rai] Add support for Rai websites (Closes #2930)
Merge pull request #3075 from pulpe/wrzuta

[WrzutaIE] Add extractor for wrzuta.pl (fixes #3072)
[wrzuta] Add age limit
[Youtube] Recognize playlists with LL
Merge pull request #3078 from pulpe/youtube_fix

[Youtube] Recognize playlists with LL
[brightcove] Improve the 'experienceJSON' regex (#3081)

One of the strings may contain ';', we would get an invalid json string.