diff -r 267d67791e05 -r 01fb9167ad75 server/src/main/webapp/static/js/models.js
--- a/server/src/main/webapp/static/js/models.js	Tue Dec 25 21:29:11 2012 +0100
+++ b/server/src/main/webapp/static/js/models.js	Mon Dec 31 12:19:10 2012 +0100
@@ -165,22 +165,22 @@
             },
           }
         ],
-        addUser: function(_props) {
+        addUser: function(_props, _options) {
             _props.project = this;
             var _user = new User(_props);
-            this.get("users").push(_user);
+            this.get("users").push(_user, _options);
             return _user;
         },
-        addNode: function(_props) {
+        addNode: function(_props, _options) {
             _props.project = this;
             var _node = new Node(_props);
-            this.get("nodes").push(_node);
+            this.get("nodes").push(_node, _options);
             return _node;
         },
-        addEdge: function(_props) {
+        addEdge: function(_props, _options) {
             _props.project = this;
             var _edge = new Edge(_props);
-            this.get("edges").push(_edge);
+            this.get("edges").push(_edge, _options);
             return _edge;
         },
         removeNode: function(_model) {