add PROXMOX Server OS 3.3
Merge pull request #81 from tuxinaut/master

add PROXMOX Server OS 3.3
Revert "add PROXMOX Server OS 3.3"
Merge pull request #82 from RackTables/revert-81-master

Revert "add PROXMOX Server OS 3.3"
Merge remote-tracking branch 'upstream/master' into racktables_template