Blender Git Loki

update attribute blocks

initial attributes block container in functions2

GPencil: Replace duplicate brush preset code by function

Cleanup: Compiler warnings

GPencil: Replace Mix Color by Vertex Color in UI

GPencil: Create default Tint brush for old files

initial AttributesRef in functions2

cleanup

cleanup

cleanup

move file

GPencil: Reduce attenuate factor

GPencil: Improve color blending in Tint

LANPR: Delete redaundant functions.

LANPR: Delete is_unit_transform() calls in the python scripts.

GPencil: More work to make Tint operator

GPencil: Basic structure for Tint Tool

Still not working, but all pieces put in place.

move node inserters to separate file

fix memory leak

refactor mapping from vtree to multi functions