Blender Git Loki

Merge branch 'temp_manipulators_core' into custom-manipulators

Conflicts:
source/blender/editors/interface/resources.c
source/blender/editors/space_api/spacetypes.c
source/blender/makesdna/DNA_userdef_types.h
source/blender/windowmanager/CMakeLists.txt
source/blender/windowmanager/WM_api.h
source/blender/windowmanager/manipulators/WM_manipulator_api.h
source/blender/windowmanager/manipulators/WM_manipulator_types.h
source/blender/windowmanager/manipulators/intern/wm_manipulator.c
source/blender/windowmanager/manipulators/intern/wm_manipulator_intern.h
source/blender/windowmanager/manipulators/intern/wm_manipulatorgroup.c
source/blender/windowmanager/manipulators/intern/wm_manipulatormap.c