Blender Git Loki

GP: Remove Radius control point in Circles

This only adds complexity and don't communicate the information of the radius in a easy way, so it's better keep UI as clean as possible.

GP: Test moving origin point to start control point for Arcs and Curves

GP: Add number of divisions in bottom message for Boxes

It was impossible to see the number of divisions used.

GP: Restore origin point for Lines

Maybe is good tohave where is the origin of the line

GP: Merge errors

GP: Primitive, add noise to box and circle

GP: Change control points size and remove in line

GP: Fix memory leak

Fix T58266 : Bottom half of meshes are transparent with eevee render

GP: Change constants by define for Ctrl points size

This makes changes easier and can be replace by variables or parameters easily.

Merge branch 'master' into blender2.8

Merge branch 'blender2.8' into greasepencil-object

Update code to be compatible with OIIO 2.0

There are some changes in API of OpenImageIO, but those are quite
simple to keep working with older and newer library versions.

Reviewers: brecht

Reviewed By: brecht

Differential Revision: https://developer.blender.org/D4064

Fix T59001: UV Editor - Crash when hiding all UVs while 3D view is open
and sync selection enabled

Reviewers: brecht

Maniphest Tasks: T59001

Differential Revision: https://developer.blender.org/D4066

GP: Fix wrong end cap when finish stroke

GP: Fix control points size when change zoom

Also replaced the shader used.

Implement BMesh.from_object

Fixes T59069

Reviewers: sergey, brecht

Maniphest Tasks: T59069

Differential Revision: https://developer.blender.org/D4065

Merge branch 'master' into blender2.8

Cleanup: remove accidentally committed debug code.

GP: Primitive, add brush noise