Merged changes from omxplayer and updated to new ffmpeg. Working with last wheezy image.
Implemented stream length and position.
Removed wrong comment.
Fixed for audio decoding.
Update for my build env
Implemented library compile target. In the qmakefile look at the define specifying the target to switch.
Fixed compile_ffmpeg.sh script.
Exported OMX_TextureData to lib.
Merge remote-tracking branch 'carlonluca/pi.git/master'

Conflicts:
	PiOmxTextures/PiOmxTextures.pro
	PiOmxTextures/omx_mediaprocessor.cpp
	PiOmxTextures/omx_mediaprocessorelement.cpp
	PiOmxTextures/omx_mediaprocessorelement.h
Compile plugin.
Free the material