Added click handler to Core class
Corretion in Render because scale changes the x,y when draw a image
Added colision with point and colision with box methos to Sprite class
Added method to get the childs under a point
Added mousedown event to currentScene childs
Added click in wiz sprite
Added verification if sprite is visible in sprite.boxcollides and scene.getchildsunderpoint
Merge branch 'master' into gh-pages