Blender Git Loki

Initialize and free the depsgraph node typeinfo on Blender start/exit.

Stub implementations to avoid compiler error.

Missing struct tag for undefined ID struct.

Fixed include guard defines to use the new DEG prefix.

Renamed the BKE_ headers inside depsgraph to DEG_ prefix.

This code is node actually included in blenkernel. Using unique prefixes
also helps porting code to the new depsgraph without include name
clashes.

Moved internal headers into the intern/ subdirectory.

The depsgraph folder itself with the main API headers can then be made
available to other Blender parts while the internal headers are hidden.

BLI_heap_node_value_update does not exist, replaced by remove/insert
pair instead.

Fixed id_tag function names of blenkernel.

pdInitEffectors now has an argument to disable guide precalc during
depsgraph build.

Added basic cmake files for the depsgraph module.

Line got lost during repository copy.

Compile fixes

Move valence-updating out of depsgraph queue code

It was too much work trying to integrate all of the necessary includes
into the code to achieve this. Perhaps later we'll ditch the separate
file and just merge the queue code in with one of the other parts of the
codebase instead?

When traversing graph, ensure that relationships tagged to be ignored are ignored

Adding header defines for the threaded eval init/cleanup calls

More compile fixes for missing/incorrect defines

More compile fixes - missing includes

Cleanup of flags for relationships

Porting over threading code

Added a flag for relationships for tagging which cyclic backlinks

This flag is set to indicate that a node appears to be causing a cyclic
dependency which can be ignored...