Add an extractor for syfy.com

It uses theplatfrom.com, which has been updated to work with f4m manifests
Add a downloader for f4m manifests
[StreamCZ] Add support for stream.cz
[youtube] Correct a minor regex typo
release 2014.02.10
[brightcove] Unescape html entities from the 'og:video' url property (fixes #2360)
[lifenews] Minor improvements
[firsttv] Add support for 1tv.ru videoarchive
[firsttv] Fix video URL regex
[instagram] Modernize
[googleplus] Modernize and simplify
[howcast] Modernize
[breakcom] Modernize
[dotsub] Modernize
[exfm] Modernize
[freesound] Modernize
Merge branch '_stream' of https://github.com/pulpe/youtube-dl into pulpe-_stream
[streamcz] Minor changes
[firsttv] Skip test
[yahoo] use unicode_literals