Merge pull request #453 from inductor/master

Disable Express header

lib/crowi/index.js

@@ -389,7 +389,7 @@ Crowi.prototype.buildServer = function() {
   var express = require('express')()
     , env = this.node_env
     ;
-
+  express.disable('x-powered-by')
   require('./express-init')(this, express);
 
   // import plugins