Show in UI if new version available

rd_ui/app/index.html

@@ -125,9 +125,8 @@
     <hr/>
     <div class="container">
         <div class="row">
-            <div class="col-md-3">
-                <a href="http://redash.io">re:dash</a> <span ng-bind="version"></span>
-            </div>
+            <a href="http://redash.io">re:dash</a> <span ng-bind="version"></span>
+            <small ng-if="newVersionAvailable"><a href="http://version.redash.io/">(new re:dash version available)</a></small>
             <div class="pull-right">
                 <a href="http://docs.redash.io/">Docs</a>
                 <a href="http://github.com/getredash/redash">Contribute</a>

rd_ui/app/scripts/controllers/controllers.js

@@ -152,6 +152,8 @@
 
   var MainCtrl = function ($scope, $location, Dashboard, notifications) {
     $scope.version = clientConfig.version;
+    $scope.newVersionAvailable = clientConfig.newVersionAvailable && currentUser.hasPermission("admin");
+
     if (clientConfig.clientSideMetrics) {
       $scope.$on('$locationChangeSuccess', function(event, newLocation, oldLocation) {
         // This will be called once per actual page load.