FFmpeg 2.3.6 release

FFmpeg 2.1.7 release

Main development, master branch after release/2.4 branched off

Main development, master branch after release/2.2 branched off

Main development, master branch after release/2.1 branched off

Main development, master branch after release/2.0 branched off

Main development, master branch after release/1.2 branched off

Main development, master branch after release/1.1 branched off

Main development, master branch after release/1.0 branched off

Main development, master branch after release/0.11 branched off