Colemak joins QWERTY and Dvorak: QWERTY's grid with every letter in
Colemak's place (nine, ten, seven), backspace in the top-right cell the
letters leave free, Esc beside space, holds by row (symbols, digits,
marks). Turn it on under Settings > Layouts; the layout key shows "cm".

The action bar stays on the keyboard while the clipboard panel or the
notepad is open, instead of disappearing until they close.
