#152 Support for custom 'empty folder' template

- default background image for empty folders
- support for user-defined custom templates
- readme updated

ng2-components/ng2-alfresco-documentlist/src/components/document-list.ts

@@ -23,7 +23,8 @@ import {
     EventEmitter,
     AfterContentInit,
     AfterViewChecked,
-    OnChanges
+    OnChanges,
+    TemplateRef
 } from 'angular2/core';
 import { AlfrescoService } from './../services/alfresco.service';
 import { MinimalNodeEntity, NodePaging } from './../models/document-library.model';
@@ -45,6 +46,8 @@ export class DocumentList implements OnInit, AfterViewChecked, AfterContentInit,
 
     DEFAULT_ROOT_FOLDER: string = '/Sites/swsdp/documentLibrary';
 
+    __baseUrl = __moduleName.replace('/document-list.js', '');
+
     @Input()
     navigate: boolean = true;
 
@@ -73,6 +76,7 @@ export class DocumentList implements OnInit, AfterViewChecked, AfterContentInit,
 
     actions: ContentActionModel[] = [];
     columns: ContentColumnModel[] = [];
+    emptyFolderTemplate: TemplateRef;
 
     private _folder: NodePaging;