Blender Git Loki

Merge remote-tracking branch 'origin/master' into multiview

The conflict solving included a change in openexr_api.cpp (to have
COMBINED always on head) that I'm not sure I should go ahead with.

So this little bit may be reverted later.

Conflicts:
intern/cycles/blender/blender_camera.cpp
source/blender/blenkernel/BKE_sequencer.h
source/blender/blenkernel/intern/image.c
source/blender/blenkernel/intern/sequencer.c
source/blender/blenkernel/intern/writeframeserver.c
source/blender/editors/include/ED_view3d.h
source/blender/editors/sculpt_paint/paint_image_proj.c
source/blender/editors/space_sequencer/sequencer_edit.c
source/blender/imbuf/IMB_imbuf_types.h
source/blender/imbuf/intern/openexr/openexr_api.cpp
source/blender/makesdna/DNA_image_types.h
source/blender/makesrna/intern/rna_image.c
source/blender/render/intern/source/render_result.c
source/blender/windowmanager/intern/wm_files.c