Roll Observatory packages and add a roll script

packages/template_binding/lib/js/observe.js

 /*
  * Copyright (c) 2014 The Polymer Project Authors. All rights reserved.
  * This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
  * The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
  * The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
  * Code distributed by Google as part of the polymer project is also
  * subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
  */
 
 (function(global) {
@@ skipping 1691 matching lines @@
   };
 
   expose.ArraySplice = ArraySplice;
   expose.ObjectObserver = ObjectObserver;
   expose.PathObserver = PathObserver;
   expose.CompoundObserver = CompoundObserver;
   expose.Path = Path;
   expose.ObserverTransform = ObserverTransform;
   
 })(typeof global !== 'undefined' && global && typeof module !== 'undefined' && module ? global : this || window);