New build of ffmpeg based off of 2.6.2 with openh264 support.

Patched binaries based off of the 2.6.2 ffmpeg tag with changes to fi…

…x async vs sync metadata handling. Changes are in NathanR's public github branch titled xp2.6.2

New build of ffmpeg based off of master on 2 february 2015. The cross…

…bar support has been incorporated into master so this is an unmodified ffmpeg build.

DShow patch from RogerPack with old device naming

DShow patch from RogerPack

Initial ffmpeg with cmake code