fixes #6216, #4416 - avoid foreign key errors when deleting some objects in use
fixes #6248 - API V2 return object for POST/PUT/DELETE should *not* include root node
fixes #6267 - singularize of HostClass and HostgroupClass is wrong
fixes #5915 - Add support for Infiniband 64-bit MAC addresses
fixes #5939: it's no longer possible to switch tabs when compute profile is being edited.
fixes #6355 - OS free text search shouldn't search associations
fixes #6374 - NIC hostname now blank when domain is present, but no hostname is given
Fixes #6337 - ensure VM tab is still visible when we deselect profile
[REFACTOR] refs #6229 - extract validation to a method

this enables plugins (e.g. katello) to override the validation when
requried.
fixes #6319 - precompile dashboard.js
fixes #6382 - revert name change of 48bit mac address regex to fix discovery
fixes #6410 - update to deep_cloneable 2.0
fixes #6177 - clear host facts/reports when build=true set over API
fixes #6331 - use view permission to authorize individual VM show pages
fixes #2972 - load jsonp on bundler_ext installations
fixes #3272 - allow 'admin' account to be removed and replaced
fixes #5679 - change CR identifier to name to fix has_many association lookup
fixes #6358 - Update LookupValue fqdn matchers when a host is renamed
fixes #5753: Engines can now override autocomplete path used in FiltersHelper
Fixes #6285 - Settings API does not parse incoming values to correct data type