[WIP] Switch to puppetlabs-apache

TODO list:
- [x] passenger package
- [x] listen IPs
- [x] verify apache templates
- [x] test on a real system
- [x] /Stage[main]/Foreman::Config::Passenger/Apache::Vhost[foreman]/File[/usr/share/foreman/public]/ensure: ensure changed 'link' to 'directory'
- [x] Move the custom fragment to a template