Fixes #9593 - replace .all.map(&:<attr>) with .pluck(:attr)

fixes #8878 - ensure domain fact is downcased prior to import

Fixes #9430 - provisioning on VMWare fails with invalid MAC address

Fixes #5701 - removed extra id/name HTML attributes

Fixes #9548 - Changed the behavior of size selector in compute profile editor to match radio buttons

Fixes #9339 - Changed the OS sorting to title

Title uses the full string, not only the name part.

Fixes #9592 - unfold external user groups on error

Fixes #3016 - Sort accesible hostgroups by db instead of in memory

Fixes #9590 - make info test less fragile

fixes #9118 - host mailer should not fail if no owner set for host