Blender Git Loki

Fix T51998: Anim player uses 100% CPU

The loop running with no events didn't sleep.
Now wait for events when paused.

Fix T51052: CacheFile Open crashes from Python

Note that bpy.data access makes more sense here,
but better not crash when called from Python.

Merge branch 'master' into blender2.8

Fix T51665: No orientation for nurbs, polygons

Curve: add assert for invalid next/prev use

Fix T52007: Cancel bezier curve transform fails

Auto & aligned handles wouldn't restore to their correct locations.

Note that a more direct fix for the bug is possible
(storing the handle locations to restore on cancel).

But that still gives some odd behavior, see code-comments for details.

Fix T51898: missing sequence strip color space validation on load.

Move Mask and FreestyleLineStyle to new ID copying code.

Move Text, Brush and GPencil datablocks to new copying code.

Merge branch 'blender2.8' into topbar

Conflicts:
source/blenderplayer/bad_level_call_stubs/stubs.c

Move Action to new copying code.

Merge branch 'master' into id_copy_refactor

Fix 'New Window' operator not creating topbar

Fix multiple tooltips appearing in topbar

Could happen on quick mouse moves throughout topbar regions.

UI: move convert to geometry and ruler

Move the convert to geometry to new panel and hide rler if enable gp modes

Fix blenderplayer

UI: Hide Relations and Physics panel

Hide these panel if enter in special GP modes

Fix error drawing polyline

Drawing polyline to old files produced segment fault because the cache was not marked as dirty.

Use cache_dirty instead of cache_free

Fix error setting origin

The calculation was not right if the object had rotations