Highlights:
- hlsdemux: Add HTTP live streaming parser/demuxer element
- new elements: h263parse, zebrastripe, patchdetect
- scenechange: new scene change detection element
- removed audioparsersbad plugin, it has been moved to -good
- make opencv plugin work with OpenCV 2.2
- countless (still experimental) camerabin2 fixes and improvements
- experimental VP8 RTP payloader/depayloader (RTP payloading not finalised yet)
- curlsink: add libcurl-based sink element (acts as client, not server)
- decklink: add decklink plugin
- linsys: add plugin for Linear Systems SDI boards
- sdi: add raw SDI muxing/demuxing elements
- camerabin now relies on muxers to mux based on running time (ie. latest base/good/ugly releases)
- many other fixes and improvements
