New template block around dashboard nav

oscar/apps/dashboard/orders/forms.py

             [(src.code, src.name) for src in SourceType.objects.all()])
 
 
-
 class OrderNoteForm(forms.ModelForm):
 
     class Meta:

oscar/templates/oscar/dashboard/layout.html

 	{% endblock navbar %}
 
     <div class="container-fluid dashboard">
+		{% block dashboard_nav %}
         <div class="row-fluid">
             {% dashboard_navigation request.user %}
 			<div class="subnav subnav-fixed">
         			{% endfor %}
                 </ul>
             </div>
+			{% endblock %}
 			
 			{% block breadcrumbs %}
 			<ul class="breadcrumb">