fixes #6355 - OS free text search shouldn't search associations

fixes #5915 - Add support for Infiniband 64-bit MAC addresses

fixes #6267 - singularize of HostClass and HostgroupClass is wrong

fixes #6248 - API V2 return object for POST/PUT/DELETE should not include root node

fixes #6216, #4416 - avoid foreign key errors when deleting some objects in use

refs #6067 - tests for UI inconsistency around root password limit 8 characters

fixes #6229 - validate installation media exists for new host if pxe_build

fixes #5854 - org creation by non-admin normal user now associates themselves

fixes #6003 - don't render user default loc/org object directly

fixes #6228 - disable provisioning method radio boxes after host is provisioned