rename closure compiler and templates jar files to their original names
removed *File classes and related methods in the StaticManager
do not include file twice
removed lessphp filter
removed routing_dev.yml
improved SpriteAsset code a bit
removed redundant fields in SpriteAsset
removed StaticsHelper
serialize assets upon caching
removed unused methods StaticsManager
converted SpriteAsset's statics methods to instance ones
Merge branch 'cleanup'
init README.md