added set_reboot_needed function and use it

modules/authnz.sh

@@ -20,7 +20,7 @@
 #  * DEFAULT_SHELL: The shell to use when creating new users
 # ------------------------------------------------------------------------------
 
-export VER_authnz=0.1.5
+export VER_authnz=0.1.6
 export DEP_authnz="upgrade_dist"
 
 # Users (from Ldap)
@@ -34,7 +34,7 @@ add_remote_user()
 remove_user()
 {
     # Using sed is more universal than any distro commands
-    sed -i -e "/^$1/d" /etc/passwd /etc/shadow /etc/group
+    sed -i -e "/^$1/d" /etc/passwd /etc/shadow /etc/group /etc/gshadow
 }
 
 # Create a local user