Lots of changes:
1) new 'info' button (not working yet)2) make all dialogs modal; rework the way the Pattern Dialog appears.
Transparent Buttons.
Rename some classes.
Add lock button.
Progress with UI
Rework the bottom pane
Introduce HUGE ui version.
Introduce three sizes of UI images: small, medium, large.
Make the margins and paddings proportional to screen size.
cube_back and cube_solve buttons.
Improvements to the UI - make it proportional regardless of the physical screen size. (Part 1)
Add two new UI States: Ready and Done.