[vgtv] Add new extractor

Because of the #! in the URL structure for VGTV we need to add ' before and after given URL. Or else it will cry:

-bash: !/video/100495/lars-og-lars-sesong-6-episode-6-lakselus: event not found
Add HD detection to Unistra
[dbtv] Add new extractor
Merge branch 'dbtv' of https://github.com/mrkolby/youtube-dl into mrkolby-dbtv

Conflicts:
	youtube_dl/extractor/__init__.py
[dbtv] Simplify, modernize, extract all formats
Merge branch 'mrkolby-dbtv'
Credit @mrkolby for dbtv.no (#3685)
[http] Avoid closing stdout (Fixes #3686)
Merge branch 'unistra_hd' of https://github.com/Rudloff/youtube-dl into Rudloff-unistra_hd
[unistra] Modernize
Merge branch 'Rudloff-unistra_hd'
release 2014.09.06
Merge branch 'vgtv' of https://github.com/mrkolby/youtube-dl into mrkolby-vgtv
[vgtv] Extract all formats, add support for wasLive and live streamTypes
Merge branch 'mrkolby-vgtv'
[vgtv] Add view count to test cases