[ADF-1083] Added user images profile as background to comment and involved people (#2198)

* [ADF-1083] start added image for user search

* [ADF-1083] - adding user images and style to involved people

* [ADF-1083] added loading of images after page refresh

* [ADF-1083] fixed problem related to memory leak and added scss style

* [ADF-1083] readded changes for user image

* [ADF-1083] start fixing test

* [ADF-1083] added user images to comment and profile

* [ADF-1083] Fixed processlist test

* [ADF-1083] removed mdl unused styles

* [ADF-1083] Applied design style

* [ADF-1083] fixed tests after rebase

ng2-components/ng2-activiti-tasklist/src/components/comment-list.component.ts

@@ -23,7 +23,7 @@ import { User } from '../models/user.model';
 @Component({
     selector: 'adf-comment-list',
     templateUrl: './comment-list.component.html',
-    styleUrls: ['./comment-list.component.css']
+    styleUrls: ['./comment-list.component.scss']
 })
 
 export class CommentListComponent {
@@ -63,11 +63,11 @@ export class CommentListComponent {
         let today = Number.parseInt(this.datePipe.transform(Date.now(), 'yMMdd'));
         if (givenDate === today) {
             formattedDate = 'Today, ' + this.datePipe.transform(aDate, 'hh:mm a');
-        }else {
+        } else {
             let yesterday = Number.parseInt(this.datePipe.transform(Date.now() - 24 * 3600 * 1000, 'yMMdd'));
             if (givenDate === yesterday) {
                 formattedDate = 'Yesterday, ' + this.datePipe.transform(aDate, 'hh:mm a');
-            }else {
+            } else {
                 formattedDate = this.datePipe.transform(aDate, 'MMM dd y, hh:mm a');
             }
         }
@@ -78,4 +78,8 @@ export class CommentListComponent {
         return this.comments && this.comments.length && true;
     }
 
+    onErrorImageLoad(user: User) {
+        user.userImage = null;
+    }
+
 }