Merge remote-tracking branch 'origin/QA_4_6' into QA_4_6

ChangeLog

@@ -47,6 +47,7 @@ phpMyAdmin - ChangeLog
 - issue #11874 Validate version information before further processing it
 - issue #11881 Full processlist lost on refresh
 - issue #11834 Adjust privileges fails if database name contains underscores
+- issue #11906 'Loading...' banner shows on login screen
 
 4.5.4.1 (2016-01-29)
 - issue #11892 Error with PMA 4.4.15.3

js/functions.js

@@ -901,6 +901,9 @@ AJAX.registerOnload('functions.js', function () {
                             updateTimeout = window.setTimeout(UpdateIdleTime, 2000);
                         }
                     } else { //timeout occurred
+                        if(isStorageSupported('sessionStorage')){
+                            window.sessionStorage.clear();
+                        }
                         window.location.reload(true);
                         clearInterval(IncInterval);
                     }

js/navigation.js

@@ -564,6 +564,11 @@ AJAX.registerOnload('navigation.js', function () {
         }
     }
 });
+AJAX.registerTeardown('navigation.js', function () {
+    if (isStorageSupported('sessionStorage')) {
+        $(document).off('submit', 'form.config-form');
+    }
+});
 
 /**
  * Expands a node in navigation tree.