Added undo/redo support and safer side effect prediction for moving of models across canvases using scale tool.
Added undo/redo support and safer side effect prediction for moving of
models across canvases using scale tool.

Signed-off-by: Jakob Brandsborg Ehmsen <387ed33cc9ebf98b733caa2520baacd616b28aa5@gmail.com>
jakobehmsen/dynamake