Demo shell improvements (#1199)

* #1197 auth guards

* #1197 restore lost router dependency to all libs

* #1197 ecm/bpm auth guards, home page

- ECM auth guard (redirect to Login if ECM auth is missing)
- BPM auth guard (redirect to Login if BPM auth is missing)
- new Home page and route, show details on demo areas

* css improvements

make app text white as per request

demo-shell-ng2/app/components/home/home.component.ts

@@ -0,0 +1,25 @@
+/*!
+ * @license
+ * Copyright 2016 Alfresco Software, Ltd.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+import { Component } from '@angular/core';
+
+@Component({
+    moduleId: __moduleName,
+    selector: 'home-view',
+    templateUrl: './home.component.html'
+})
+export class HomeComponent {}