Allow users to change their own password, but nothing else (no search,
no read, no write)
This will only run when setting up the 389-dirsrv instance for the first
time, this has been applied on barnard by editing the dn (see
#128 (comment))
Closes#128
Users can log in using their LDAP account (in the
ou=users,dc=kosmos,dc=org group and with the wiki attribute set to
enabled)
Add an attribute for the ldap master server, so it can be overridden in
the development environment
Refs #107
It sets up 389 Directory Server, including a TLS cert acquired using
Let's Encrypt in production (that requires ldap.kosmos.org pointing to
the server's IP)
