Added NdnProtocolInfo.jsm to store static info such as the connected host.  Updated ndnProtocolService.js to report the hub host and port when connected, and updated the NDN Toolbar to display it.
diff --git a/js/ndnProtocol/content/toolbar.xul b/js/ndnProtocol/content/toolbar.xul
index 0210be9..1e53a60 100644
--- a/js/ndnProtocol/content/toolbar.xul
+++ b/js/ndnProtocol/content/toolbar.xul
@@ -1,5 +1,5 @@
 <?xml version="1.0"?>                 
-<overlay id="Scrapper-Overlay"
+<overlay id="NDN-Toolbar-Overlay"
 xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul">
 
 <script type="application/x-javascript" src="chrome://toolbar/content/ndnToolbar.js" />
@@ -8,7 +8,8 @@
   <toolbar id="NdnToolbar" toolbarname="ndnToolbar" >
       <label value="NDN"/>
       <toolbarbutton id="ndnToolbarGetLatestButton"
-        label="Get Latest" oncommand="ndnToolbarGetLatest(event)" />
+        label="Get Latest" oncommand="ndnToolbarGetLatest(event)"/>
+      <label id="ndnHubLabel" value="Hub: not connected"/>
   </toolbar>
 </toolbox>