fix for #612 (#613)

added additional `middleware` feature to express' use-chain after proxy to enable proxy-bypass retrievals to in-memory resources. Fixes #612.

Author: skwakman

lib/Server.js

@@ -292,7 +292,7 @@ function Server(compiler, options) {
 
 	var defaultFeatures = ["setup", "headers", "middleware"];
 	if(options.proxy)
-		defaultFeatures.push("proxy");
+		defaultFeatures.push("proxy", "middleware");
 	if(options.historyApiFallback)
 		defaultFeatures.push("historyApiFallback", "middleware");
 	defaultFeatures.push("magicHtml");