More descriptive name for default_app_config

cas_server/__init__.py

@@ -9,4 +9,4 @@
 #
 # (c) 2015 Valentin Samir
 
-default_app_config = 'cas_server.apps.AppConfig'
+default_app_config = 'cas_server.apps.CasAppConfig'

cas_server/apps.py

@@ -2,6 +2,6 @@ from django.utils.translation import ugettext_lazy as _
 from django.apps import AppConfig
 
 
-class AppConfig(AppConfig):
+class CasAppConfig(AppConfig):
     name = 'cas_server'
     verbose_name = _('Central Authentication Service')