First commit of the V2.

New base, new info.

static/admin/js/cancel.js

@@ -0,0 +1,9 @@
+(function($) {
+    'use strict';
+    $(function() {
+        $('.cancel-link').click(function(e) {
+            e.preventDefault();
+            window.history.back();
+        });
+    });
+})(django.jQuery);