compileStylusToJavaScript: Only try to load the stylus compiler if stylus assets are actually found.
compileStylusToJavaScript: Only try to load the stylus compiler if stylus assets are actually found.

papandreou/assetgraph,jscinoz/assetgraph,papandreou/assetgraph,papandreou/assetgraph,jscinoz/assetgraph,assetgraph/assetgraph,jscinoz/assetgraph