0029263: Ability to extend Product identifier label on the receipt panel

diff --git a/web/org.openbravo.retail.posterminal/js/components/renderorderline.js b/web/org.openbravo.retail.posterminal/js/components/renderorderline.js
--- a/web/org.openbravo.retail.posterminal/js/components/renderorderline.js
+++ b/web/org.openbravo.retail.posterminal/js/components/renderorderline.js
@@ -1,6 +1,6 @@
 /*
  ************************************************************************************
- * Copyright (C) 2013 Openbravo S.L.U.
+ * Copyright (C) 2013-2015 Openbravo S.L.U.
  * Licensed under the Openbravo Commercial License version 1.0
  * You may obtain a copy of the License at http://www.openbravo.com/legal/obcl.html
  * or in the legal folder of this module distribution.
@@ -54,7 +54,7 @@
   initComponents: function () {
     this.inherited(arguments);
     this.$.checkBoxColumn.hide();
-    this.$.product.setContent(this.model.get('product').get('_identifier'));
+    this.$.product.setContent(this.setIdentifierContent());
     this.$.quantity.setContent(this.model.printQty());
     this.$.price.setContent(this.model.printPrice());
     if (this.model.get('priceIncludesTax')) {
@@ -128,6 +128,9 @@
       this.$.checkBoxColumn.hide();
       this.changeEditMode(this, false);
     }
+  },
+  setIdentifierContent: function () {
+    return this.model.get('product').get('_identifier');
   }
 
 });