Blender Git Loki

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

Conflicts:
source/tools

Fix color parametrization ordering

Make properties not animatable

These properties must not use the icon to animate property.

Merge branch 'greasepencil-object' into temp-greasepencil-object-stacksplit

Conflicts:
source/blender/blenkernel/BKE_gpencil.h
source/blender/blenkernel/intern/gpencil_modifier.c
source/blender/blenloader/intern/readfile.c
source/blender/gpencil_modifiers/intern/MOD_gpencilbuild.c
source/blender/gpencil_modifiers/intern/MOD_gpencilinstance.c
source/blender/gpencil_modifiers/intern/MOD_gpencillattice.c
source/blender/gpencil_modifiers/intern/MOD_gpencilsimplify.c
source/blender/makesdna/DNA_modifier_types.h

Fix merge error in Topbar

This errors broke the topbar

Automagically get a RNG even if the user doesn't socket Random

Note that, after this change, **only setting Randomization to 0 will disable it**.

Merge branch 'blender2.8' into greasepencil-object

Merge branch 'blender2.8' into greasepencil-object

UI: Changes in sculpt brush panel

* The direction is not expanded because enabling Expand=True rises an Assert.

Add default icons for direction

Amend OSL shader again to account for parameter renaming

Fix typo errors

Merge branch 'greasepencil-object' into temp-greasepencil-object-stacksplit

Merge branch 'blender2.8' into greasepencil-object

Amend OSL shader w.r.t. Melanin changes

Refactor Melanin into Tungsten's quantity and ratio parameters

Remap randomization to roughness/color � the given percentage factor

Reorder sockets according to usefulness

Remove two possible sources of NaNs

Fix changes after merge