Implement click-on behavior
Move objects
Drag digits or corners
Implement auto-detection of digit in new mouse-modes
SelectionMode + CanvasMode
Clean-up code
Display digit corners when creating
Change digit by manually clicking on coordinates of corners
Performance improvement on adding new digit
Select leds
Apply selection to tree
Implement deletion of digits on delete-click
Remove multiple selected objects at once
Fix: delete in object title field doesn't trigger deletion of object
Fix removal of groups from tree
Add leds when the selected group is a led group
Bugfix (initial currentgroup == null)
Fix autofocus
Fix coordinate conversion issue
New lay-out