In NDN Toolbar, added Set button to set the hub.
diff --git a/js/ndnProtocol/content/toolbar.xul b/js/ndnProtocol/content/toolbar.xul
index 68af3bf..8f51e93 100644
--- a/js/ndnProtocol/content/toolbar.xul
+++ b/js/ndnProtocol/content/toolbar.xul
@@ -19,6 +19,8 @@
         label="Latest" oncommand="ndnToolbarGetVersion('latest')"/>
       <toolbarseparator/>
       <label id="ndnHubLabel" value="Hub: not connected"/>
+      <toolbarbutton id="ndnToolbarSetHubButton"
+        label="Set..." oncommand="ndnToolbarSetHub()"/>
   </toolbar>
 </toolbox>