diff -r 710a2ae08a74 -r a8bed1c7df8e cms/app-client/ember-cli-build.js
--- a/cms/app-client/ember-cli-build.js	Fri Dec 02 00:22:31 2016 +0100
+++ b/cms/app-client/ember-cli-build.js	Fri Dec 02 03:30:51 2016 +0100
@@ -47,6 +47,8 @@
       development: 'bower_components/urijs/src/URI.js',
       production:  'bower_components/urijs/src/URI.min.js'
     });
+    app.import('bower_components/interval-tree2/dist/interval-tree.js');
+
 
     //shims
     app.import('vendor/shims/ammaps.js', {
@@ -69,6 +71,11 @@
         'urijs': [ 'default' ]
       }
     });
+    app.import('vendor/shims/interval-tree.js', {
+      exports: {
+        'interval-tree': [ 'default' ]
+      }
+    });
 
     //social-share-kit
     app.import('bower_components/social-share-kit/dist/js/social-share-kit.js');