Moved configuration to last position in navigation

Configaration was the last navigation item in IPA server tab. Trusts changed it. It was wrong because configuration is like 'other settings' and so it should be last.

This patch moves configuration navigation item to the last position again.

https://fedorahosted.org/freeipa/ticket/2900

install/ui/webui.js

@@ -84,8 +84,8 @@ IPA.admin_navigation = function(spec) {
              ]},
             {entity: 'selfservice'},
             {entity: 'delegation'},
-            {entity: 'config'},
-            {entity: 'trust'}
+            {entity: 'trust'},
+            {entity: 'config'}
         ]}];
 
     var that = IPA.navigation(spec);