Blender Git Loki

Merge branch 'master' into blender2.8

Conflicts:
source/blender/collada/ArmatureExporter.cpp
source/blender/collada/ArmatureExporter.h
source/blender/collada/DocumentExporter.cpp
source/blender/collada/DocumentExporter.h
source/blender/collada/SceneExporter.cpp
source/blender/collada/SceneExporter.h
source/blender/collada/collada.cpp
source/blender/collada/collada.h
source/blender/editors/armature/armature_edit.c
source/blender/editors/armature/editarmature_retarget.c
source/blender/editors/armature/pose_transform.c
source/blender/editors/include/ED_armature.h
source/blender/editors/include/ED_object.h
source/blender/editors/include/ED_screen.h
source/blender/editors/io/io_collada.c
source/blender/editors/object/object_transform.c
source/blender/editors/screen/screen_edit.c
source/blender/editors/screen/screen_ops.c
source/blender/windowmanager/intern/wm.c
source/blender/windowmanager/intern/wm_files.c
source/blender/windowmanager/intern/wm_window.c
source/blenderplayer/bad_level_call_stubs/stubs.c