append sourcemapping url correctly for css files
append sourcemapping url correctly for css files

kaufmo/koala-framework,koala-framework/koala-framework,nsams/koala-framework,kaufmo/koala-framework,koala-framework/koala-framework,yacon/koala-framework,yacon/koala-framework,nsams/koala-framework,kaufmo/koala-framework,yacon/koala-framework,nsams/koala-framework