Improve transaction history

Breeze.UI/src/app/wallet/history/history.component.html

 <h1>History</h1>
-<table *ngIf="transactions">
+<table *ngIf="transactions; else noTransactions">
   <thead>
     <th>Timestamp</th>
     <th>Amount</th>
@@ -7,9 +7,12 @@
     <th>Transaction ID</th>
   </thead>
   <tr *ngFor="let transaction of transactions">
+    <!--<td *ngIf="{{ transaction.amount }} < 0; else received">SENT</td>
+    <td #received>RECEIVED</td>-->
     <td>{{ transaction.timestamp }}</td>
     <td>{{ transaction.amount }}</td>
     <td>{{ transaction.confirmed }}</td>
     <td>{{ transaction.txId }}</td>
   </tr>
 </table>
+<ng-template #noTransactions>Looks like you haven't made any transactions yet.</ng-template>