added rotation steroid to planet

must fix sounds, icon games, generate level, class boss,
must fix coins & squirrel generate position,will implement update with
checkcollisions
//will add 1 texture for all images with Texture Packer
//on load TextureAtlas myTextures = new TextureAtlas("packed.*");
//TextureRegion=myTextures.findRegion("PNGname");

must add boss class & new texture for character
must fix bob main rotation