Python 3 fixes

main/apps.py

@@ -0,0 +1,10 @@
+from django.apps import AppConfig
+
+
+class BBSAppConfig(AppConfig):
+    name = 'bbs'
+    verbose_name = 'Biceps Bar System'
+
+    def ready(self):
+        # all models are loaded, now attach signals
+        import main.signals