Blender Git Loki

Fixed unfreed memory

Fix crash on read file

Fixed Pointer problem. Now materials are working.

Added scene.active_engine_settings

Collection Editor based on patch by Julian Eisel

This is extracted from the layer-manager branch. With the following
changes:

* Renamed references of layer manager to collections manager
* I didn't include the editors/space_collections/ draw and util files.

I still need to bring the drawing code here, so we see something.

Layers: allow anonymous collection, and set active collection when linking it

Fixed Engine name length

Fix read/writefile.c

Changes to DNA/RNA. Follow same layout as sensors.

Change in DNA/RNA. Still missing freeing and read/write.

Added switch to test viewport cache

Temporarily prevent crash on edit mode

Merge remote-tracking branch 'origin/render-layers' into clay-engine

Introduce Dynamic Batches + Relationship lines + Clear some matrix warnings

Merge branch 'render-layers' of git.blender.org:blender into clay-engine

# Conflicts:
# source/blender/makesdna/DNA_scene_types.h

Merge remote-tracking branch 'origin/blender2.8' into render-layers

Note:

renamed blo_do_versions_after_linking_280 to do_versions_after_linking_280 to following the pattern of do_versions_after_linking_270

Fix blenderplayer build

Fix include compilation error on MSVC 2015.

Fix compilation error on windows

Fixup for selected_objects context

This was making crash happen for any operation :/ shame on me