message: Better title for remote signing
diff: <div class="uk-card-header uk-form-horizontal" *ngIf="remoteVisible">
  - <div class="details-header">Remote Signing</div>
  + <div class="details-header">Block Signing</div>
  <p>Create a new SEND or CHANGE block below. For any incoming transaction in the table: Use SIGN BLOCK.</p>
  <button class="uk-button uk-button-primary" (click)="showRemoteModal()">CREATE NEW BLOCK</button>
  