GUI -- Added global key bindings mechanism
 - 'T' now toggles theme (light/dark) -- mast CSS done, other CSS to do
 - 'ESC' now closes alerts box if it is open
 - Minor cleanup to topo2.js

Change-Id: I506a6add4299a6c03dcb717c33394ad94be26997
diff --git a/web/gui/src/main/webapp/index2.html b/web/gui/src/main/webapp/index2.html
index 235c1d7..6168271 100644
--- a/web/gui/src/main/webapp/index2.html
+++ b/web/gui/src/main/webapp/index2.html
@@ -72,9 +72,9 @@
     <!-- Initialize the UI...-->
     <script type="text/javascript">
         var ONOS = $.onos({
-            comment: "configuration options",
+            comment: 'configuration options',
+            theme: 'light',
             startVid: 'topo',
-//            startVid: 'sampleKeys',
             trace: false
         });
     </script>