add keyboard shortcut for reload application

static/js/loadingIcon.js

@@ -5,6 +5,7 @@ pandora.ui.loadingIcon = function() {
     var self = {},
         that = Ox.LoadingIcon({
             tooltip: Ox._('Reload {0}', [pandora.site.site.name])
+                + ' <span class="OxBright">' + Ox.SYMBOLS.CONTROL + 'R' + '</span>'
         }, self)
         .attr({
             src: Ox.UI.getImageURL('symbolRedo')

static/js/mainMenu.js

@@ -517,6 +517,9 @@ pandora.ui.mainMenu = function() {
             key_control_p: function() {
                 window.open(document.location.href + '#?print=true', '_blank');
             },
+            key_control_r: function() {
+                pandora.$ui.appPanel.reload();
+            },
             key_control_shift_f: function() {
                 if (!pandora.hasDialogOrScreen()) {
                     pandora.$ui.filterDialog = pandora.ui.filterDialog().open();