relocate locker server

locker-server.js

@@ -1,6 +0,0 @@
-(function() {
-  var Locker = require('locker-server'),
-    locker = new Locker();
-
-  locker.listen(3003);
-})();

locker/locker.js

@@ -0,0 +1,9 @@
+#!/usr/bin/env node
+
+var PORT = 3003;
+
+console.log('Server started at port ' + PORT + '...');
+var Locker = require('locker-server'),
+  locker = new Locker();
+
+locker.listen(PORT);