- added 2 new levels! (Primitivism and Fauvism)

- coin balance now can't go into negative

- massively (2x) reduced hint cost

- fixed oversized hint button

- added quit button to hint menu

- redesigned info menu

- switched levels 1 and 2

- added level locking (now must complete level before another unlocks)

- updated Unity & Android SDK - better performance

- removed splash screen

- some other small design changes/improvements/fixes