Blender Git Loki

Implement CacheFile in the legacy dependency graph.

Merge branch 'master' into soc-2016-multiview

fix bug in secondary clip open button

after consulting Sergey, I have exposed secondary_clip via RNA and then
fix the corresponding python ui bugs. The operator show now be able to load a
clip to secondary_clip pointer

Merge branch 'master' into alembic_basic_io

hooked up pointcache to new liquid grid io. caching now works even if bake was interrupted.

Consolidate alembic export options into a struct

Having 15+ args gets unmanageable.

Simplify material creation and assignment.

Avoid calling BKE_object_material_slot_remove.

Only draw the caches' keyframes for the objects in the current scene.

Use case-sensitive str comparison.

Pre-allocate UVs array.

Fix over-allocation of exported normals.

Curves: Trim operator

Fixed all memory leaks. There are a few occurences of the error
Memoryblock free: pointer not in memlist

Use regular include guards

Attempt to fix Disney SSS

Fix for library cache paths not using library as relative basis

Also rename BKE_cachefile_load -> reload since load is typically use to load a new datablock from a path.

Fix compiling after recent cleanup

Merge branch 'master' into alembic_basic_io

Minor edits for alembic branch

- naming
- remove redundant cast

Fix typo in comment.