Added flat svn icons

Author: David Burke

report_builder/models.py

@@ -141,7 +141,7 @@ def get_absolute_url(http://github.com/self):
         return ("report_update_view", [str(self.id)])
 
     def edit(self):
-        return mark_safe('<a href="http://github.com/%7B0%7D"><img style="width: 26px; margin: -6px" src="http://github.com/%7B1%7Dreport_builder/img/edit.%3Cspan%20class="x x-first x-last">png"/></a>'.format(
+        return mark_safe('<a href="http://github.com/%7B0%7D"><img style="width: 26px; margin: -6px" src="http://github.com/%7B1%7Dreport_builder/img/edit.%3Cspan%20class="x x-first x-last">svg"/></a>'.format(
             self.get_absolute_url(),
             getattr(settings, 'STATIC_URL', '/static/')   
         ))