fix digest

app/assets/javascripts/admin/controllers/admin_dashboard_controller.js

@@ -41,6 +41,6 @@ Discourse.AdminDashboardController = Ember.Controller.extend({
   },
 
   problemsTimestamp: function() {
-    return this.get('problemsFetchedAt').long();
+    return moment(this.get('problemsFetchedAt')).format('LLL');
   }.property('problemsFetchedAt')
 });

app/assets/javascripts/admin/routes/admin_email_preview_digest_route.js

@@ -8,8 +8,7 @@
 **/
 
 var oneWeekAgo = function() {
-  // TODO localize date format?
-  return moment().subtract('days',7).format('yyyy-MM-dd');
+  return moment().subtract('days',7).format('YYYY-MM-DD');
 }
 
 Discourse.AdminEmailPreviewDigestRoute = Discourse.Route.extend(Discourse.ModelReady, {