Blender Git Loki

WIP: Added "select shortest path" operator for UVs

Main functionality still missing, calls mesh-tool for selecting shortest path if Sync Selection is checked

Merge branch 'asset-engine' into asset-experiments

Merge branch 'id-remap' into asset-experiments

Merge branch 'master' into asset-experiments

Fix alignement issues in some DNA struct due to ID one now being properly aligned.

Perform the import and export inside of dedicated jobs (for a bonus
progress bar).

Show editor menu in layer manager header

Minor edits to object layer name management

Default object layer name is "Untitled Layer" for now.

Some very basic layer list drawing

Just drawing the layer names as a list, nothing fancy yet.

Merge branch 'master' into asset-engine

Some cleanup.

Better name handling in case we remap an ID adn cannot replace it totally.

Cleanup: reduce number of parareters to some AbcExporter methods, style.

Merge branch 'master' into id-remap

Fix typo in previous commit.

Cleanup: Remove the unnecessary compiler subclasses for final instantiation.

Remove usage of boost::progress.

Progress report will eventually be done through the job system.

Rename AbcExportOptions -> ExportSettings.

Cleanup: renamed "codegen" files to "compiler" and split the implementation.

Move IR function implementations using the LLVM api into modules.h.