Blender Git Loki

GPencil: Include change Layer in all modes and set to Y key

Workbench: Refactor: Add support for Flat shading

Workbench: Refactor: Add support for texpaint & vertpaint

GPencil: Add M key to switch layer in Draw Mode

GPencil: Fix missing Weight Paint context menu

GPencil: Fix missing Sculpt context menu

GPencil: New Layer selector in Draw context menu

GPencil: Fix struct align after merge

Merge branch 'master' into greasepencil-object

Conflicts:
source/blender/makesdna/DNA_brush_types.h

GPencil: Fix selected line when layer is locked

This solves the edit points and line selected when the layer is locked.

Workbench: Refactor: Support Material data

GPencil: Fix Ghost points in edit mode

GPencil: Don't show NO_FILL strokes with Fill

These are special strokes to close Fill gaps.

Merge branch 'uuid-id' into uuid-undo-experiments

Add an session-wise uuid integer to IDs.

This is intended to provide undo with a way to find IDs across several
'memory realms' (undo speedup project).

BLI_memblock: Allow to use BLI_memblock_elem_get using only elem index

DRW: Manager: Expose resource handle getter

Fix stereo rendering broken without positional tracking

This required me to rework reference pose handling once more. The result
seems to work very well though, much more stable and glitch-free than it
used to.

Merge branch 'master' into greasepencil-object

GPencil: Improve Array random offset calculation

Now the randomness cannot be greater that the segment (constant or bounding box).