fixes #1568 - PG::Error on fresh install

fixes #1254 - initial support to pxeboot windows

fixes #1540 added suport for provisioning on ovirt/rhvem using fog.

This patch addes a compute resource concept within foreman

Signed-off-by: Ohad Levy <ohadlevy@gmail.com>

fixes wrong code smell

code smell

refs #1503 better handling of migrating to puppet proxies

removed depericiated warnings

fixes #1503 - When creating a host, it should be possible to define a Puppet CA and a Puppet Master to use

rhel6 is released, remove the beta hack

fixes #1281 - assingn more than one domains to a subnet