Add a sprites batching example
Add a sprites batching example

tomaka/glium,TyOverby/glium,cpjreynolds/glium,nicokoch/glium,carbidegames/glium,acolley/glium,caldwell/glium,christopheraugustus/glium,sdotz/glium,binsoftware/glium,bvssvni/glium,glium/glium,rozaliev/glium