GUI -- implemented Theme Service.
 - moved body class handling into Theme Service, (out of Key Service).

Change-Id: Ied0d22523fec36cadef8b9669194089585f73959
diff --git a/web/gui/src/main/webapp/app/onos.js b/web/gui/src/main/webapp/app/onos.js
index 1fece59..73af667 100644
--- a/web/gui/src/main/webapp/app/onos.js
+++ b/web/gui/src/main/webapp/app/onos.js
@@ -24,13 +24,15 @@
     'use strict';
 
     angular.module('onosApp', ['onosUtil', 'onosMast'])
-        .controller('OnosCtrl', ['$log', 'KeyService', function (_$log_, ks) {
+        .controller('OnosCtrl', ['$log', 'KeyService', 'ThemeService',
+        function (_$log_, ks, ts) {
             var $log = _$log_,
                 self = this;
 
             self.version = '1.1.0';
 
             // initialize onos (main app) controller here...
+            ts.init();
             ks.installOn(d3.select('body'));
 
             $log.log('OnosCtrl has been created');