docs(app): increments year

Author: jesselpalmer

docs/config/templates/indexPage.template.html

@@ -276,7 +276,7 @@ <h2><a href="{{navGroup.href}}" xng-class="navClass(navGroup)">{{navGroup.name}}
                 layout-align="space-around start">
               <span></span>
               <span class="stretched">
-                Super-powered by Google &copy;2010-2014
+                Super-powered by Google &copy;2010-2015
                 (<a
                     href="htps://github.com/angular/angular.js/blob/master/CHANGELOG.md#{{footer.versionNumber}}"
                     ng-bind-template="v{{footer.version}}">