[ADF-1220] Extra data sources for Document List (#2224)

* initial trashcan support and demo page

* use testbed for unit tests

* support for restricting navigation for special data sources

* shared links mode, thumbnail fixes

* update unit tests

* improve Trashcan/SharedLinks columns

* Sites view for document list

* Favorites support for DL, upgrade to latest js-api (alpha)

* recent files support for document list

* support default presets

* readme updates and code fixes

* code fixes

* breadcrumb fixes

- show custom root node for certain scenarios
- fix css issues
- fix crash related to missing "path" property for certain scenarios

* toolbar style fixes

- addresses the shrinking issues with components embedded into toolbar (i.e. breadcrumb)

* i18n support for column presets

* unit tests

ng2-components/ng2-alfresco-datatable/src/data/object-datatable-adapter.ts

@@ -198,6 +198,7 @@ export class ObjectDataColumn implements DataColumn {
 
     key: string;
     type: string; // text|image
+    format: string;
     sortable: boolean;
     title: string;
     srTitle: string;
@@ -207,6 +208,7 @@ export class ObjectDataColumn implements DataColumn {
     constructor(obj: any) {
         this.key = obj.key;
         this.type = obj.type || 'text';
+        this.format = obj.format;
         this.sortable = obj.sortable;
         this.title = obj.title;
         this.srTitle = obj.srTitle;