Fix the association between a RubikObject and its solvers and patterns.
Before, if we rearranged the objects order in the main screen, this would break down.
common code from all activities to one BaseActivity
call setTheme before super() on all activities onCreate()
3 message dialogs.
bugfix in SolverActivity - do not restore scramble state of an object there!
progress
Activity numbers.
remove 'MESH_NICE'
Minor
Version 2.0: add Solver Activity.