Renamed centosicinga2 to centos6icinga2 since we're going to have seperate Centos 6 and 7 Icinga 2 servers.
Added a CentOS 7 Icinga 2 server.
Renamed icinga2client1 to reflect the fact that it's an Ubuntu 14.04 machine.
Renamed icinga2client2 to preciseicinga2client.
Added a CentOS 6 Icinga 2 client.
Renamed icinga2client3 to centos7icinga2client.
Removed icinga2client4 since it's not needed anymore.
Renumbered the IP addresses.
Renamed centosicinga2 to centos6icinga2.
Comments.
Added a CentOS 7 Icinga 2 client node definition in the site.pp manifest.
Renamed icinga2client to trustyicinga2client in the site.pp manifest.
Renamed icinga2client2 to preciseicinga2client in the site.pp manifest.
Comments.
Renamed icinga2client2 to centos6icinga2client in the site.pp manifest.
Renamed icinga2client4 to centos7icinga2client in the site.pp manifest.