Blender Git Loki

Revert "Experimental Tweak: Only show relationship lines between objects when either the parent/child object is selected"

This reverts commit 912931964723cb69dafd4adebe3daf093e3e78c1.

This meant users needed to select everything to see relationship lines,
this isn't always easy since objects can have limit-selection set.

This could be made into an enum option if it's important.

UI: set default theme outline alpha

The outline wasn't being set causing it not to draw.

Merge branch 'master' into blender2.8

Cleanup: use f-string

Merge branch 'blender2.8' into temp-tab_drag_drop

UI: support check-boxes in quick menu

Could support other RNA types,
however menus don't work well in this case.

Cleanup unused code

Merge branch 'greasepencil-object' into temp-greasepencil-vfx

Merge branch 'blender2.8' into greasepencil-object

Merge branch 'master' into blender2.8

Cleanup: split out context member query

RNA: check for 3D view overlay/shading

Use to calculate paths for the info window.

UI: Support status-bar hiding

Just like the top-bar, the status-bar can now be hidden/collapsed by dragging
its edge. We display a small line with the editor outline color then, so there
is something that can be dragged up to un-collapse the area again.
This collapsed state is not written to files yet.

UI: correct menu label comparison

Fix corrupt screen when splitting areas after collapsing top-bar

General cleanup and more documentation

DNA: rename operator idname

Remove the mesh sample from fiber curve data.

Fiber curves are simple shapes for fibers now, not tied to a particular
place on the scalp mesh (cf. shape keys).

Merge branch 'master' into blender2.8

Fix fur curve generation function.