fixes #3832 - foreman supplies user for GCE images, fog expects username
fixes #2600 - fixed gettext extraction on vms forms
i18n - extracting new, updating rails, pulling from tx
fixes #3491 - API v2 rabl templates base, main, show for each controller
Fixes #3720 - Add description field to operatingsystem
Fixes #3721 - Map OS family to a display variant