Update NetHack list of filtered names
Add db_close to DB framework
Add db-ldap.c
Clean a bit in init.c
Constify arguments to the filter API
Correct isokay() error value
Also perfom password hashing in sqlite_user_add
Separate UI and code in register menu
Continue with login menu
Correct a bug

If a User1 logins and deconnects and if User2 logins and plays a
game, he was named User1.
Unbreak ldap login