disable secure proxy

Author: Casey Watson

lib/Server.js

@@ -8,7 +8,7 @@ var StreamCache = require("stream-cache");
 var http = require("http");
 var https = require("https");
 var httpProxy = require("http-proxy");
-var proxy = new httpProxy.createProxyServer();
+var proxy = new httpProxy.createProxyServer({secure: options.secureProxy});
 var serveIndex = require("serve-index");
 var historyApiFallback = require("connect-history-api-fallback");