Add Capsule.FromHeightAndRadius
Add BBox.FromHeightAndRadius
Trace.Size can be a bbox
Citizen skin 3 tweaks
Support for :empty, :first-child, :last-child, :only-child
button sets the tag has-label if it has a text label
Button icon property from templates works
Added IconPanel defaults to base.scss
Panel has support for value property
Merge branch 'master' of sbox