renamed variables
    mco_stomphost => $mco_host
    mco_stompport => $mco_port
    mco_stompuser => $mco_user
    mco_stomppassword => $mco_password

variable mco_port was predifined because cobbler know nothing about it
Merge pull request #7 from gleb108/ubuntu-3.1-real

fix kickstart