[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-processlist/src/components/process-comments.component.spec.ts

@@ -23,6 +23,7 @@ import { Observable } from 'rxjs/Rx';
 import {
     CommentListComponent,
     CommentsComponent,
+    PeopleService,
     TaskListService
 } from 'ng2-activiti-tasklist';
 import { AlfrescoTranslationService, CoreModule } from 'ng2-alfresco-core';
@@ -55,7 +56,8 @@ describe('ActivitiProcessInstanceComments', () => {
             providers: [
                 { provide: AlfrescoTranslationService, useClass: TranslationMock },
                 { provide: TaskListService, useClass: ProcessService },
-                DatePipe
+                DatePipe,
+                PeopleService
             ]
         }).compileComponents();
     }));