Fix for lua5.2
Add option to skip the song intro
Create ffmpeg-2.2 from ffmpeg-2.1. Plain copy by now.
Update libavutil files for ffmpeg 2.2
Update avcodec files for ffmpeg 2.2
Update swresample and rational.pas for ffmpeg 2.2
Merge branch 'master' of https://github.com/twostars/usdx

Conflicts:
	src/lua/ULuaCore.pas