Blender Git Loki

Merge branch 'blender2.8' into blender2.8-workbench

WIP: Fix more operators for copy

Still a memory segment fault when copy several strokes.

Create hash of material colors for copy buffer

Fix operators to use Materials instead of Palettes

Convert old 2.7x files from Palettes to Materials

Clear deprecated colorname field when write data

This field must be cleared because the string is not used (deprecated).

Fix mermory leak for materials

The materials array must be duplicated and free in every undo step.

Merge branch 'blender2.8' into blender2.8-workbench

Add comment to make annotation for ToDo

Remove Palette animation Depsgraph node

As the Palette animation has been removed, these modules must be removed.

Add notifier flag to update viewport

Whitout this flag, the viewport is not updated when change something in the material.

Fix error of missing slots

The problem was in the creation of material slot all the time. By default, the material is created when we have a slot already created.

WIP: Fix error when drawing using a material

Still a problem adding slots

Add GpencilColorData path for animation

Improve default Material use

If the default material has not the Grease pencil settings, add it instead to create a new material.

Removed TODO

Moved vertex merging to mesh_merge.c

Merge branch 'blender2.8' into blender2.8-workbench

Workbench: Shadow primitives

Handled most of Cambpell's review comments