[ADF-551] sorting for document list (#1891)

* table cell component

- table cell component with performance improvements

* permissions and sorting fixes

- fixed ability to set default sorting
- fixed permission evaluation
- new: context menu now also works with permissions
- disabled tags column in demo shell due to performance implications

* fix unit tests

* fix tsconfig for unit testing

ng2-components/ng2-alfresco-documentlist/src/data/share-datatable-adapter.ts

@@ -41,9 +41,11 @@ export class ShareDataTableAdapter implements DataTableAdapter {
     selectedRow: DataRow;
 
     constructor(private documentListService: DocumentListService,
-                schema: DataColumn[] = []) {
+                schema: DataColumn[] = [],
+                sorting?: DataSorting) {
         this.rows = [];
         this.columns = schema || [];
+        this.sorting = sorting;
     }
 
     getRows(): Array<DataRow> {