Add Delete operator to modal header
Update wording for Adjust Segments in modal header
Merge branch 'feature/ui-header' into release/1.0.1
Merge branch 'feature/ui-header' into dev
Update theme structure in preparation for updated theme colors
Update theme label in prefernces.
Add new theme color presets and rework theme assignment a bit.
Merge branch 'interface/theme' into dev
Merge branch 'interface/theme' into release/1.0.1
Prettify Polystrip handles!

This smoothes the drawn points, resulting in nicer handle drawing that better matches Pawel's original design.
Merge branch 'interface/nice-handles' into release/1.0.1
Update visualization style to more closely match Contours.
Increase smoothing amount on sketch lines to 0.75.
Rework theme colors a bit more, further matching Contours.

Now Polystrips and Contours theme system almost matches exactly, and wil be easy to extend a bit more when we have multi-selection support.
Update color of sketch lines.
Update amount of smoothing for each Smooth Tool operation
Merge branch 'tool/smooth' into release/1.2.0
Merge branch 'interface/sketch-line' into release/1.2.0
Make mesh lines thinner to be less distracting.
Merge branch 'interface/draw-update' into release/1.1.0