[MLB] Enhanced _VALID_URL to cover more MLB videos
Merge remote-tracking branch 'upstream/master' into MLB

Conflicts:
	youtube_dl/extractor/mlb.py
[mlb] Fix regex
[vube] Add support for new data format (Fixes #3325)
release 2014.07.23
[vube] Fix comment count
release 2014.07.23.1
[savefrom] Make test description more flexible
[sockshare] Fix ext
[soundcloud] Adapt test
[test/helper] Do not use deprecated method
[soundcloud:playlist] Fix test description
[nbc] Add missing import
[wdr] Fix umlaut parsing on Python 2.x
[rtlnow] Simplify outdated test
[jsinterp] Allow digits in function names
[youtube] Support new player URLs (Fixes #3326)
[YoutubeDL] Make sure we really, really get out the encoding string

Fixes #3326
Apparently, on some platforms, even outputting this fails already.
release 2014.07.23.2
Do not import from legacy FileDownloader class