Merge remote branch 'origin/master' into modesetting-gem

Conflicts:

	libdrm/Makefile.am
	libdrm/dri_bufmgr.h
	linux-core/drm_irq.c
	linux-core/drm_sysfs.c
	linux-core/drm_ttm.c
	shared-core/i915_dma.c
	shared-core/i915_irq.c
	shared-core/nouveau_drv.h
	shared-core/radeon_cp.c