Create Stream: Pressing "return" submit form

Resolve #513

Author: oodamien

ui/src/app/streams/stream-create-dialog/stream-create-dialog.component.html

@@ -4,7 +4,7 @@ <h4 class="modal-title pull-left">Create Stream</h4>
     <span aria-hidden="true">&times;</span>
   </button>
 </div>
-<div class="modal-body" [formGroup]="form" [ngBusy]="busy">
+<form name="form-creation" (submit)="handleOk()" class="modal-body" [formGroup]="form" [ngBusy]="busy">
   <div *ngIf="errors && errors.length > 0" class="dialog-validation">
     <div *ngFor="let error of errors">
       <label class="glyphicon glyphicon-exclamation-sign dialog-error-sign">{{error}}</label>
@@ -50,8 +50,8 @@ <h4 class="modal-title pull-left">Create Stream</h4>
     <progressbar animate="true" [value]="progressData.percent" type="success"><b>{{progressData.percent}}%</b>
     </progressbar>
   </div>
-</div>
+</form>
 <div class="modal-footer">
   <button type="button" class="btn btn-default" (click)="handleCancel()">Close</button>
-  <button type="button" class="btn btn-default" (click)="handleOk()" [disabled]="!canSubmit()">OK</button>
+  <button type="submit" class="btn btn-default" [disabled]="!canSubmit()">OK</button>
 </div>