Issue 154 - Added UI for devtools panel on Chrome

ext/devtools.js

 /*
  * This file is part of Adblock Plus <https://adblockplus.org/>,
- * Copyright (C) 2006-2015 Eyeo GmbH
+ * Copyright (C) 2006-2016 Eyeo GmbH
  *
  * Adblock Plus is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 3 as
  * published by the Free Software Foundation.
  *
  * Adblock Plus is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
  *
  * You should have received a copy of the GNU General Public License
  * along with Adblock Plus.  If not, see <http://www.gnu.org/licenses/>.
  */
+
+"use strict";
 
 (function(global)
 {
   if (!global.ext)
     global.ext = {};
 
   global.ext.devtools = {
     panels: {
       openResource: function() {}
     },
 
     inspectedWindow: {
       reload: function() {}
     }
   };
 
   global.ext.backgroundPage._sendRawMessage({type: "devtools"});
 })(this);