#440 Dropdown widget stub, base widget component

ng2-components/ng2-activiti-form/src/components/widgets/container/container.widget.ts

@@ -22,6 +22,7 @@ import { TextWidget } from './../text/text.widget';
 import { NumberWidget } from './../number/number.widget';
 import { CheckboxWidget } from './../checkbox/checkbox.widget';
 import { MultilineTextWidget } from './../multiline-text/multiline-text.widget';
+import { DropdownWidget } from './../dropdown/dropdown.widget';
 
 declare let __moduleName: string;
 declare var componentHandler;
@@ -30,7 +31,13 @@ declare var componentHandler;
     moduleId: __moduleName,
     selector: 'container-widget',
     templateUrl: './container.widget.html',
-    directives: [TextWidget, NumberWidget, CheckboxWidget, MultilineTextWidget]
+    directives: [
+        TextWidget,
+        NumberWidget,
+        CheckboxWidget,
+        MultilineTextWidget,
+        DropdownWidget
+    ]
 })
 export class ContainerWidget implements AfterViewInit {