Changed label to person

ng2-components/ng2-activiti-tasklist/src/components/activiti-people.component.html

@@ -2,7 +2,7 @@
       [attr.data-badge]="people?.length">{{ 'TASK_DETAILS.LABELS.PEOPLE' | translate }}</span>
 <div id="addPeople" (click)="showDialog()" class="icon material-icons">add</div>
 <div class="mdl-tooltip" for="addPeople">
-    Add a people
+    Add a person
 </div>
 <div class="menu-container" *ngIf="people?.length > 0">
     <ul class='mdl-list'>
@@ -30,4 +30,4 @@
         <button type="button" (click)="add()" class="mdl-button">Add User</button>
         <button type="button" (click)="cancel()" class="mdl-button close">Cancel</button>
     </div>
-</dialog>
+</dialog>