code ldapserver final localtion ldap keys and certs; fix explict copi…

remove the karaaage secret key from this repo'

rearrange karaage. Move apache2 tasks into a separate role

 a) don't add the mysql community repo (use maria if we need to)

    b) figure out if we are using maria or mysql (make a variable called sqlServiceName)
    c)  remove all references to mysql_config_file_name unless it can be justified somehow

Hpcidentybranch6

fixed build error

refactors. Rearrange slurm roles. Generate config files like /etc/hosts /etc/exports and slurm.conf statically before installing