Speed up build (#1852)

* single build webpack

* fix demo shell test

ng2-components/ng2-activiti-form/src/components/activiti-form.component.ts

@@ -71,7 +71,6 @@ declare var componentHandler: any;
  * @returns {ActivitiForm} .
  */
 @Component({
-    moduleId: module.id,
     selector: 'activiti-form',
     templateUrl: './activiti-form.component.html',
     styleUrls: ['./activiti-form.component.css']
@@ -238,6 +237,12 @@ export class ActivitiForm implements OnInit, AfterViewChecked, OnChanges {
             this.getFormDefinitionByFormName(formName.currentValue);
             return;
         }
+
+        let nodeId = changes['nodeId'];
+        if (nodeId && nodeId.currentValue) {
+            this.loadFormForEcmNode();
+            return;
+        }
     }
 
     /**
@@ -431,7 +436,6 @@ export class ActivitiForm implements OnInit, AfterViewChecked, OnChanges {
     }
 
     handleError(err: any): any {
-        this.logService.error(err);
         this.onError.emit(err);
     }