Refactoring of field layouts in progress.
More refactoring, added separate element initialization stage to create Box2D bodies.
Allow defining drop targets in terms of the wall that they're in front of.
Start of custom behaviors for new field.
Add display for score multipler and balls remaining, remove options menu (to be re-added when score view is touched).
Improve pause/resume behavior, new icons.
Add rollovers for multiball progression to table 3.
Multiball improvements for table 3.
Fix bumper bug, don't zoom during multiball.
Add help text for table 3 and change drop target colors.