fix(nodeserver): docs rewriting

There can be url /api which does not end with / and we want to rewrite this url as well...

lib/nodeserver/server.js

@@ -93,7 +93,7 @@ StaticServlet.prototype.handleRequest = function(req, res) {
     return self.sendForbidden_(req, res, path);
 
   // docs rewriting
-  var REWRITE = /\/(guide|api|cookbook|misc|tutorial)\/.*$/,
+  var REWRITE = /\/(guide|api|cookbook|misc|tutorial).*$/,
       IGNORED = /(\.(css|js|png|jpg)$|partials\/.*\.html$)/,
       match;