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* This should prevent commented versions of the fstab entry

This role is not idempotent!
Add 'computer_name's to all host_vars/las*.las.kit.edu
Add and update OS infos in host_vars
Update host names for ipa_users

* Add all users exported from IPA

* Add a role that adds the DHCP server and a failover server
* Use ansible-vault to encrypt the MAC-address mapping
* Fixes issue 7

Fedora 28 does not provide python2-firewalld which is needed by the
ansible module firewalld. Therefore these roles would fail. See issue #28 for this

This is not a fix, but a dirty hack to let the other tasks complete

* Add the SSH key as a variable
* Encrypt the file containing this variable