Blender Git Loki

Removed extra vertices in the new bmesh

Also considering to use `BM_mesh_bm_to_me_for_eval` to avoid
time spent in `BM_mesh_bm_to_me` for mesh data not required for OBJ.
So some commented code is present.

Commit a basic working importer, with some extra-to-be-removed code.

Merge branch 'master' into soc-2020-io-performance

Merge branch 'master' into property-search-ui

Generator panel improvements, fix memory leak

Merge branch 'master' into lanpr-under-gp

Merge branch 'master' into greasepencil-edit-curve

Conflicts:
source/blender/blenloader/intern/versioning_290.c

Merge branch 'master' into greasepencil-object

Add File Browser Link/Append option to show only assets

Merge branch 'greasepencil-edit-curve' into soc-2020-greasepencil-curve

GPencil: Adapt edit mode operators for curve edit

Change the rest of the edit mode opearators (c62bc08f) so that they
check if curve edit mode is active (if needed).

Merge branch 'master' into fcurve-modifier-panels

Deselect before set active on shift click

Remove unecessary comment

Remove accidental changes

Support "Author" metadata field

Merge branch 'master' into active-fcurve-keyframe

Fix T78775: broken Embree build in make deps for 2.83

The release was re-issued for unknown reasons, changes seems like they would
have no impact on Cycles and Embree is disabled by default anyway.

Fluid: Added range highlighting options for gridlines

Merge branch 'master' into asset-metadata