--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/cms/app-client/app/helpers/interval.js	Tue Jun 14 18:15:26 2016 +0200
@@ -0,0 +1,8 @@
+import Ember from 'ember';
+
+export function interval(params) {
+    var dates = params[0].slice();
+    return dates.shift() + ( dates.length ? '-' + dates.pop() : '' );
+}
+
+export default Ember.Helper.helper(interval);