[Framework] Add bootstrapper

Add an application bootstrapper, responsible for
handling the Angular bootstrapping phase of
framework layer initialization. WTD-518.

platform/framework/src/ApplicationBootstrapper.js

@@ -0,0 +1,40 @@
+/*global define,Promise*/
+
+/**
+ * Module defining Bootstrapper. Created by vwoeltje on 11/4/14.
+ *
+ * The bootstrapper is responsible
+ */
+define(
+    [],
+    function () {
+        "use strict";
+
+        /**
+         * The application bootstrapper is responsible for issuing the
+         * bootstrap call to Angular. This would normally not be needed
+         * with an appropriately-placed ng-app directive, but the
+         * framework needs to wait until all extensions have been loaded
+         * and registered.
+         *
+         * @constructor
+         */
+        function ApplicationBootstrapper(angular, document) {
+            return {
+                /**
+                 * @method
+                 * @memberof ApplicationBootstrapper#
+                 * @param {angular.Module} app the Angular application to
+                 *        bootstrap
+                 */
+                bootstrap: function (app) {
+                    angular.element(document).ready(function () {
+                        angular.bootstrap(document, [app.name]);
+                    });
+                }
+            };
+        }
+
+        return ApplicationBootstrapper;
+    }
+);

platform/framework/src/ExtensionRegistrar.js

@@ -94,6 +94,10 @@ define(
                         extensionGroup[category]
                     );
                 });
+
+                // Return the application to which these extensions
+                // have been registered
+                return app;
             }
 
             customRegistrars = customRegistrars || {};

platform/framework/src/FrameworkInitializer.js

@@ -45,7 +45,7 @@ define(
                     return loader.loadBundles(bundleList)
                         .then(resolver.resolveBundles)
                         .then(registrar.registerExtensions)
-                        .then(bootstrapper.bootstrapApplication);
+                        .then(bootstrapper.bootstrap);
 
                 }