Blender Git Loki

Merge branch 'master' into blender2.8

Conflicts:
intern/cycles/blender/blender_curves.cpp
source/blender/blenkernel/intern/dynamicpaint.c
source/blender/blenkernel/intern/particle.c
source/blender/blenloader/intern/versioning_270.c
source/blender/editors/physics/particle_edit.c
source/blender/editors/transform/transform_snap_object.c
source/blender/editors/util/undo.c
source/blender/makesrna/intern/rna_object_force.c