Blender Git Loki

Property Search: Fix panels animating when added

Merge branch 'master' into property-search-ui

Property Search: Properly filter box buttons

Property Search: Apply filter to operator buttons

Property Search: Move button tagging to separate function

Property Search: Solve memory leak

Property Search: Cleanup, remove unrelated changes

Merge branch 'master' into property-search-ui

Property Search: Support labels and expanded enums

Property Search: Support labels and array buttons

Merge branch 'master' into property-search-ui

Merge branch 'master' into property-search-ui

Property Search: Support heading labels

Property Search: Support checkboxes with no headings

Further changes will be needed to keep track of the labels added
for headings.

Property Search: Fix some filtered buttons not hidden

Property Search: Fix X margin accumulating for box panels

Property Search: Turn off search for add constraints buttons

Merge branch 'master' into property-search-ui

Property Search: Support labels with number buttons

Property Search: Support labels with ui_item_with_label

This includes unexpanded enums and "pointer" selection buttons, and
possibly others.

This necessitates changing uiItemL_respect_property_split to return the
label button it creates, which is reasonably anyway as it makes it
consistent with uiItemL_.