AOT compatibility enhancements (#2015)

* aot compatibility updates

- remove index files where needed
- move material dependencies to a separete module
- use aot compatible lambda functions for module export

* remove unused imports

* re-export Material module

* core module enhancements

- fix AOT issue with providers (use lambda instead of variable)
- move context menu to a separate module

* core module enhancements

* feature modules

ng2-components/ng2-alfresco-core/src/components/view/adf-card-view.component.ts

@@ -15,11 +15,7 @@
  * limitations under the License.
  */
 
-import {
-    Component,
-    Input,
-    OnInit
-} from '@angular/core';
+import { Component, Input } from '@angular/core';
 import { CardViewModel } from '../../models/card-view.model';
 import * as moment from 'moment';
 
@@ -28,19 +24,11 @@ import * as moment from 'moment';
     templateUrl: './adf-card-view.component.html',
     styleUrls: ['./adf-card-view.component.css']
 })
-export class CardView implements OnInit {
+export class CardView {
 
     @Input()
     properties: CardViewModel [];
 
-    constructor() {
-
-    }
-
-    ngOnInit() {
-
-    }
-
     getPropertyValue(property: CardViewModel): string {
         if (!property.value) {
             return property.default;

ng2-components/ng2-alfresco-core/src/components/view/card-view.module.ts

@@ -15,8 +15,19 @@
  * limitations under the License.
  */
 
+import { NgModule } from '@angular/core';
+import { CommonModule } from '@angular/common';
 import { CardView } from './adf-card-view.component';
 
-export const VIEW_DIRECTIVES: [any] = [
-    CardView
-];
+@NgModule({
+    imports: [
+        CommonModule
+    ],
+    declarations: [
+        CardView
+    ],
+    exports: [
+        CardView
+    ]
+})
+export class CardViewModule {}