Change preview size to 640x480
Change the default values contrass, sharpness and saturation (use the values from the original camera driver from the froyo leak)
Restore some functions removed when porting to CM10.1 - keep them and make compiling instead of removing

Conflicts:

	camerahal/QualcommCameraHardware.cpp
audio: update to jcsullins v2
restructure main makefiles
to comply with default rules
overlay: clean up and add a few missing overrides
prep for cm-10.1
board: do not set DISABLE_ARM_PIE flag
until power consumption issue is fixed