Merge pull request #1110 from donaldpipowitch/patch-1

support falsey values for directory setting fixes #1109

Author: shakyShane

lib/server/static-server.js

@@ -26,7 +26,7 @@ module.exports = function createServer (bs, scripts) {
          * Add directory Middleware if given in server.directory
          */
         .update("middleware", function (mw) {
-            if (!server.has("directory")) {
+            if (!server.get("directory")) {
                 return mw;
             }