Blender Git Loki

Cleanup: batch Python API

Add utility function to raise an error.

Fix missing error returns in batch API

Fix T57504: Scaling 3D cursor crashes

Cleanup: grease pencil RNA naming

Follow naming conventions for boolean's,

Also rename enable_settings -> use_settings_postprocess.

Cleanup: remove redundant 'gpencil_' prefix

Also rename 'gpencil_brush_type' -> 'tool' & correct typo.

Fix grease pencil RNA path

UI: Right-click menu entry to flip properties Tab Bar left/right

UI: Don't show scrollbar in Properties tab-bar

Addresses feedback from D3840.

Workbench: Attenuate dithering effect when using viewport render

Quick hack to get rid of most of the noise when doing a viewport render in
xray or wireframe mode.

UI: Rename "OpenGL Render" operator to "Viewport Render"

Since we now have an Opengl "render engine", it is misleading to have this
operator still called "OpenGL Render" when all it does is take a snapshot
of the viewport.

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

make.bat: fix unquoted variables.

causing build issues for some users.

UI: Match tabs active color with properties background color

Also match topbar background color with active tab so they blend better.
And other minor adjustments for consistency.

Fix Properties tabs all showing tooltip of active tab

Multi-Objects: CURVE_OT_split

Fix error checking on curve duplication

Cleanup style :|

So much for saving time by copying existing patches from phabricator.

Multi-Objects: CURVE_OT_duplicate

Multi-Objects: CURVE_OT_extrude

Multi-Objects: CURVE_OT_spin