Blender Git Loki

New parameter to force Fill cache recalc

This is needed for extreme deformations

New operator to generate automatic weights

split to islands and autoexecute work again

re-using meshisland works too, but oddly initially the mesh is not drawn, needs to have a "pointsource"
selected, but re-using meshislands works with empty pointsource atm

WIP: Operator to create vertex groups

Only works with the Empty mode.

Cleanup unused function

Cleanup code and comments

Limit Armature modifier to only one instance

More cleanup

Code cleanup: remove unused code

Put text to review

WIP: Add basic functions to deform

Merge branch 'blender2.8' into greasepencil-experimental

Put in place all pieces for Armature modifier

The modifier doesn't do anything yet.

crash fix with voronoi + fractal boolean

Fixed some matrix fuction naming format

couple of smaller fixes

fixes like resetting to start position after cancelling animation or using the input scene for the current
frame (not the evaluated one)

Software mode FOV adapted.

Merge remote-tracking branch 'remotes/origin/blender2.8' into soc-2018-npr

# Conflicts:
# release/scripts/addons_contrib
# release/scripts/startup/bl_ui/properties_physics_field.py
# source/blender/makesdna/DNA_scene_types.h
# source/tools

fix for another memory / crash issue

fixes for fractal boolean, autohide and convert to objects

works all partially only still, because other blender things dont work as expected any more...