Add a message if the user don't have any subscriptions

client/src/app/+my-account/my-account-subscriptions/my-account-subscriptions.component.html

@@ -1,3 +1,5 @@
+<div class="no-results" i18n *ngIf="pagination.totalItems === 0">You don't have any subscriptions yet.</div>
+
 <div class="video-channels" myInfiniteScroller [autoInit]="true" (nearOfBottom)="onNearOfBottom()">
   <div *ngFor="let videoChannel of videoChannels" class="video-channel">
     <a [routerLink]="[ '/video-channels', videoChannel.nameWithHost ]">

client/src/app/+my-account/my-account-subscriptions/my-account-subscriptions.component.scss

@@ -36,6 +36,8 @@
 
   .actor-owner {
     @include actor-owner;
+
+    margin-top: 0;
   }
 }