Merge branch 'mesa_7_7_branch'

Conflicts:

	src/mesa/drivers/dri/intel/intel_screen.c
	src/mesa/drivers/dri/intel/intel_swapbuffers.c
	src/mesa/drivers/dri/r300/r300_emit.c
	src/mesa/drivers/dri/r300/r300_ioctl.c
	src/mesa/drivers/dri/r300/r300_tex.c
	src/mesa/drivers/dri/r300/r300_texstate.c