o3 fix,s2w switch,gpu mem tweak

Conflicts:
	arch/arm/boot/compressed/piggy.xzkern
	arch/arm/mach-msm/board-ville.c
	drivers/media/video/msm/mt9v113_v4l2.c
modify sys entry of s2w, now "kernel tuner" recognised it
delete useless file
fix some errors