Changes On 1.7 : 1.3 removed ad in the menuview + some bugfix
1.4 fixing bug that corrups the cube.
1.5 same bug as 1.4
1.6 Added a timer, and some more cubes. Changed the quitbutton. Uppgraded adMob.
+some tweeking.
1.7 change minimum android version to 2.3, because the new admob SDK(sorry)