Fix some bugs, must add texture with packer

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");
will add dynamic gravity
will add pattern for galaxy background
springs-platforms
must add boss class & new texture for character
must fix bob main rotation