[BR] Add "BR" extractor

Extractor for videos from the Bayerischer Rundfunk Mediathek[1]. Currently only
supports videos. Audio and podcasts do not work yet with this extractor.

1: http://br.de/mediathek
[BR] Add basic test
[spankwire] Improve and modernize
[spankwire] Fix uploader id regex
[canalc2] Modernize
[savefrom] Add extractor (Fixes #2434)
Merge remote-tracking branch 'JohnyMoSwag/master'
[trutube] Support multiple formats (#2433)
[release.sh] Do not run tests by default

We are at the point that testing takes waay too long for a release cycle, and fails way too often.
Tests through travis are a better indicator than testing just before release.
release 2014.02.22
Merge remote-tracking branch 'soult/br'
[br] Simplify
Credit @soult for br
[videobam] Add support for videobam.com (Closes #2411)
[f4m] Clean up
Fix imports
[videobam] Set age_limit to 18

From [their ToS](http://videobam.com/terms): "User must be eighteen 18[sic] years of age or older to use or access this web site."
release 2014.02.22.1
Merge remote-tracking branch 'upstream/master'