Enhance admin site.

Regroup auth models.

groupmanagement/admin.py

@@ -1,6 +1,6 @@
 from __future__ import unicode_literals
 from django.contrib import admin
-
+from django.contrib.auth.models import Group
 from groupmanagement.models import GroupRequest
 from groupmanagement.models import AuthGroup
 
@@ -11,5 +11,18 @@ class AuthGroupAdmin(admin.ModelAdmin):
     """
     filter_horizontal = ('group_leaders',)
 
+
+class ProxyGroup(Group):
+    class Meta:
+        proxy = True
+        verbose_name = Group._meta.verbose_name
+        verbose_name_plural = Group._meta.verbose_name_plural
+
+try:
+    admin.site.unregister(Group)
+finally:
+    admin.site.register(ProxyGroup)
+
+
 admin.site.register(GroupRequest)
 admin.site.register(AuthGroup, AuthGroupAdmin)