Rename script names, add lock script

Add a user lock script to move users from ssh allow/foward group to ssh
reject group.

Rename user_create.sh script to create_user.sh script and add new ssh
allow/foward flag in user_list.txt file after group block and before
password name block

Update check last login script with better add/remove from groups

bin/check_last_login.sh

@@ -17,7 +17,7 @@ max_age_create=30;
 day=86400;
 # delete account strings
 delete_accounts="";
-user_group_tpl="deluser %s %s;adduser %s %s;";
+user_group_tpl="gpasswd -d %s %s;gpasswd -a %s %s;";
 # log base folder
 LOG="${BASE_FOLDER}/../log";
 # auth log file user;date from collect_login_data script