Update the config file according to the changes in PAM and Courier

config

@@ -34,7 +34,7 @@ stock = utf-8
 
 [acl]
 # Access method
-# Value: None | htpasswd | LDAP | PAM | Courier-Authdaemon
+# Value: None | htpasswd | LDAP | PAM | courier
 type = None
 # Usernames used for public calendars, separated by a comma
 public_users = public
@@ -57,9 +57,9 @@ ldap_binddn =
 # LDAP password for initial login, used with ldap_binddn
 ldap_password =
 # PAM group user should be member of
-group_membership =
+pam_group_membership =
 # Path to the Courier Authdaemon socket (should be writable by Radicale)
-courier-auth_socket = 
+courier_socket =
 
 [storage]
 # Folder for storing local calendars, created if not present