Update of django lib useres with parameter USERS_SELF_REGISTRATION

config_example/config.py

 #
 STARTPAGE = "startpage"
 
+USERS_SELF_REGISTRATION = False
+
 
 #
 # General settings
 # Style settings
 #
 DEFAULT_THEME = 'clear-blue'
-

users

-Subproject commit 0827a5311fdbbef689365c6db5762881e048ba9c
+Subproject commit 57852e6ec8867543fbcd9915ae5b6d092aafe339