Fix(report): invoices report uses display_name

This commit fixes a tiny bug introduced during the transition to
display_name where the user's name moved from the `createdBy` property
to the `display_name` property.

server/config/routes.js

@@ -350,7 +350,7 @@ exports.configure = function configure(app) {
 
   // route for invoice Report
   app.get('/invoices/patient/report', patientInvoice.getPatientInvoice);
-  
+
   // reports API: Invoices (receipts)
   app.get('/reports/invoices/:uuid', financeReports.receipts.invoices);
   app.get('/reports/cash/:uuid', financeReports.receipts.cash);

server/controllers/finance/reports/list.handlebars

@@ -43,7 +43,7 @@
                 <td>{{ patientNames }}</td>
                 <td>{{ currency cost currency_id }}</td>
                 <td>{{ serviceName }}</td>
-                <td>{{ createdBy }}</td>
+                <td>{{ display_name }}</td>
               </tr>
             {{/each}}
           </tbody>

server/controllers/finance/reports/list.js

@@ -22,8 +22,6 @@ exports.build = build;
  * @return {object} promise
  */
 function build(data, request) {
-
-
   let queryString  = request.query;
   let renderTarget = queryString && queryString.renderer || defaultRender;