fix(vouchers): print correct currency & user

This commit fixes the voucher registry so that it prints the correct
currency in the printed report.  It also ensures that the report prints
out the username in the user column.

Fixes #187.

server/controllers/finance/reports/vouchers/report.handlebars

@@ -19,7 +19,7 @@
 
       <!-- list of data  -->
       <!-- voucher info  -->
-      <table class="table table-condensed">
+      <table class="table table-condensed table-bordered table-report">
         <thead>
           <tr>
             <th>{{translate 'FORM.LABELS.REFERENCE'}}</th>
@@ -35,8 +35,8 @@
               <td>{{reference}}</td>
               <td>{{date date}}</td>
               <td>{{description}}</td>
-              <td class="text-right">{{currency amount}}</td>
-              <td>{{user}}</td>
+              <td class="text-right">{{currency amount this.currency_id}}</td>
+              <td>{{this.display_name}}</td>
             </tr>
           {{/each}}
         </tbody>