Blender Git Loki

Merge branch 'master' into blender2.8

Cleanup: More clear naming in UV vertex/element mappings

Also use unsigned short for loop index within a polygon for UV vertex
mapping, which matches UV element mapping.

Merge branch 'master' into blender2.8

Fix T55944: fbx export error with smoothing face

ddee0931b868 added PROP_RAW_BOOLEAN case for foreach_set, but missed
foreach_get

Reviewed By: brecht

Differential Revision: https://developer.blender.org/D3534

Fix T55527: creating a Quaternion without args should result in identity
quaternion

Reviewed By: campbellbarton

Differential Revision: https://developer.blender.org/D3487

Cleanup and bug fixes.

Merge branch 'master' into blender2.8

Buildbot: update for new VS2017 buildbot worker name.

Use live icons to template_ID for graese pencil materials

Add new parameter to template_ID to use live icon in button

By default, the button uses a predefined fixed icon, but in some situations it's better to show the preview (materials)

update to new OSD API again

Fix compilation with older OpenSubdiv libraries

Only fixes compilation error, the functionality will be limited.

Currently we don't care that much, since all the work is done in
the branch anyway.

Later on when we'll know which fixes we need to apply on top of
latest OpenSubdiv library we will call a library upgrade.

OpenSubdiv: Remove one more unused file

OpenSubdiv: Remove unused file

Update to new OSD blender API

Fixed camera object tranformation matrix

Make vertex wig sampling reflect the method in the paper

Added time reporting and optimized osd_eval creation

Initial port to 2.8

Remove console warnings for tool bar

This will chanage in the future, but we can keep running without warnings with the current implementation.