- gave mini screens a rounded rect background
- mini screens change color when dragged over
- added a way to specify the active region of dragged items, to allow for clipping of whitespace at borders
- fixed: feedback while dragging was often one cell off
- fixed: bug when adding to almost-full screen
- removed unused classes
Change-Id: I2fbd2aaaee6831b288cca8dec75e7b446068e8d1
By using resolveSize, we're clamping the size we measure to the
size of the screen, so just use our prefered size instead. Nobody
is going to otherwise limit us, so this value won't be mismatched
with the size we actually get.
