(docs): Tutorial - Simplify and improve Google Maps step and move it to step 16

Author: Urigo

.docs/angular-meteor/client/index.html

@@ -40,6 +40,7 @@
             <li><a href="/tutorial-02/step_13">13 - Using and creating AngularJS filters</a></li>
             <li><a href="/tutorial-02/step_14">14 - Meteor methods with promises</a></li>
             <li><a href="/tutorial-02/step_15">15 - Conditional template directives with AngularJS</a></li>
+            <li><a href="/tutorial-02/step_16">16 - Google Maps</a></li>
           </ul>
         </li>
         <li><a href="/api">API Reference</a></li>

.docs/angular-meteor/client/scripts/routes.js

@@ -160,6 +160,10 @@ angular.module("meteor-angular-docs").config(['$urlRouterProvider', '$stateProvi
         .state('tutorial02.step15', {
           url: '/step_15',
         templateUrl: 'client/views/steps/tutorial.step_15.tpl'
+        })
+        .state('tutorial02.step16', {
+          url: '/step_16',
+          template: UiRouter.template('tutorial.step_16.html')
         });
 
     $locationProvider.html5Mode(true);