Move Actives to browserify since ideally everything will one day be browserify. All hail browserify
Update PIXI library. Update UI to only use 1 stage & make mainStage actually be a PIXI.DisplayObjectContainer. This removes the need to recreate a renderer whenever a scene changes. This really messes up the names of refreshRenderer/mainStage, but oh well
Changed from CanvarRenderer to WebGLRenderer