Merge branch 'master' into i915-unification

Conflicts:

	src/mesa/drivers/dri/common/dri_drmpool.c
	src/mesa/drivers/dri/i915tex/i915_vtbl.c
	src/mesa/drivers/dri/i915tex/intel_batchbuffer.c
	src/mesa/drivers/dri/i915tex/intel_context.c