Minimal working version

* Upgrade dependencies
* Fix ugettext
* Fix bad urls

club/forms.py

@@ -25,7 +25,7 @@
 
 from django.conf import settings
 from django import forms
-from django.utils.translation import ugettext_lazy as _
+from django.utils.translation import gettext_lazy as _
 
 from ajax_select.fields import AutoCompleteSelectField, AutoCompleteSelectMultipleField