fixes #5726 - parameter values missing from host#show API call
fixes #4204 - add config groups feature - assign multiple config groups to a host or hostgroup
fixes #1809 - foreman realm integration
fixes #4123 - libvirt imaging support using backing volumes
fixes #4198 - API v2 - add child nodes to show responses. Ex. architecture should show operating systems node
fixes #3178 - add feature for compute profiles for hostgroups and hosts
fixes #3491 - API v2 rabl templates base, main, show for each controller
fixes #3768 - API v2 child nodes should not have an object root for each object
fixes #2931 - API v2 hosts JSON response, add *_name for each *_id
fixes #3017 - split APIv2 controllers from v1 parents