fixes #7336 - editing compute resource should not clear existing attributes from the form

Fixes #4596 - Change parent of host group via AJAX

Reparenting host groups requires submitting the form to see the changes
nowadays, this fix makes the host group model inherit all properties
from the parent and show them in real time.

Fixes #6444 - add support for virtual NICs

Extend additional interface details refs #2240

NIC facts parsing change and we create interfaces in Foreman according
to facts we recieve.

Subclasses does not define their own attributes and serialize them to
attrs hash. All BMC attributes are extracted to separate columns so it's...

Fixes #7286: Can not create a compute resource without selecting a provider

Fixes #5926 - hide sensitive parameter values

User can check to hide value when creating or editing global parameter.
The value is masked by *** and is also not displayed when overriding.

Fixes #7056 - only resize textarea in params tab.

Fixes #7174 - add delay on autocomplete

Fixes #6232 - link from chart on overview page to relevent search

Fixes #6982 - make tooltips appear above charts

i18n - extracting new, updating rails, pulling from tx