Fix first CAS connection problem

`user` was not returned by configure_user

bocal_auth/cas_backend.py

@@ -1,6 +1,5 @@
 from django_cas_ng.backends import CASBackend
 from .models import CasUser
-from . import rhosts
 
 
 class BOcalCASBackend(CASBackend):
@@ -11,3 +10,4 @@ class BOcalCASBackend(CASBackend):
     def configure_user(self, user):
         casUser = CasUser(user=user)
         casUser.save()
+        return user

bocal_auth/rhosts.py

@@ -71,9 +71,11 @@ def grantBOcalPrivileges(user):
 
 
 def requireCasUser(fct):
+    def hasCas(user):
+        return CasUser.objects.filter(user=user).count() > 0
+
     def wrap(user, *args, **kwargs):
-        qs = CasUser.objects.filter(user=user)
-        if not qs.count() > 0:
+        if not hasCas(user):
             return
         return fct(user, *args, **kwargs)
     return wrap