Refactor ahead of changes for #3

lib/server/controllers/entitycontroller.js

@@ -1,7 +1,14 @@
 exports = module.exports = EntityController;
 
 function EntityController () {
+    this.entities = [];
 }
 
 EntityController.prototype = {
+    add: function (id) {
+        
+    },
+    remove: function (id) {
+        
+    }
 };