Fix link registratio from menu to tool

apps/statistics/registry.py

@@ -3,8 +3,10 @@ from __future__ import absolute_import
 from django.utils.translation import ugettext_lazy as _
 
 from .icons import icon_statistics
+from .links import statistics_link
 
 label = _(u'Statistics')
 description = _(u'Central place to store and display app statistics.')
 dependencies = ['app_registry', 'icons', 'navigation']
 icon = icon_statistics
+tool_links = [statistics_link]