[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
Added vimple.ru support
removed extra char in regexp
Verified with pep8 and pyflakes
[soundcloud] Adding likes support to SoundcloudUserIE
GoshGay Extractor
[Vodlocker] Add new extractor
[youtube] Remove static signatures

The always fail by now. Instead, use only automatic signature extraction
[youtube] Add test for new signature scheme (#3232)
[jsinterp] Remove superfluous u
[youtube] Correct signature extraction error detection
[jsinterp] Prevent mis-recognitions of local functions
[youtube] Correct signature test