fixes #1472 - make init script passenger-aware (redhat)

hypervisors should not be making any connections during tests

fixes #1476 - toggling between bare metal to an hypervisor renders js errors

fixes #1456 - renaming the admin account should not be allowed

fixes #1191 - removes duplicated classes when nesting hostgroups

fixes #1265 - Parition tables can't access @host

fixes #1308 - error when trying to cancel build.

fixes #1175 - PXELinux does not render with spoof

fixes #1144 - Cannot search for parameters in Domains

fixes #963 - can't add a smart proxy which doesn't support any feature