rebased, closes PR #871
Added support for XHamster - closes #841
Add some tests to match Justin.tv / Twitch.tv URLs
Fixed an error downloading vimeo pro videos.
YoutubeIE: fallback to automatic captions when subtitles aren't found
Also modify test_youtube_subtitles to support running the tests in any order.
Tweak the regex so that BlipTV can be before BlipTVUser.
@dersphere code, from dersphere/plugin.video.myvideo_de.git rewritten by @mc2avr released in the Public Domain by the author ref: https://github.com/rg3/youtube-dl/pull/842
It allows to update the info_dicts with other values (closes #840)
only install to /etc if PREFIX is /usr or /usr/local
The old one was given HTTP 404 errors
Videos require rtmpdump