fixes #17574, #17364 - update scoped_search to 4.x

scoped_search's sort() now accepts a replacement for params which is
filtered in an overridden Foreman sort helper, permitting additional
parameters used in Foreman's index pages.

Replaces :in and :alias in search definitions with preferred keywords.

refs #17485 - use IP within host's primary subnet

The host factory with the given trait overrides the primary interface's
subnet, so pass in the subnet being used to prevent the override.

fixes #17095 - ensure subnet belongs to ip from facts

fixes #17484 - remove reported_at sequence from report factory

Prevents reports getting ever more out of sync from Time.now.

Fixes #16739 - unify parameters permissions

Fixes #12543 - enable utf-8 encoding in email address

According to RFC 6532, the local part of an email address
can be non-ascii characters, and should support in utf-8.
The current email validation doesn't allow it,
so emails like Pelé@example.com and 我買@example.com are not supported

fixes #16900 - ensure interface mac address is unicast

Fixes #13968 - Add error when no known proxy features found

fixes #16805 - reload host parameters on host group change

On Rails 4.2, `Host#type_changed?` may return nil due to bug #24220
causing data-type-changed to be missing from the host form and the JS
in handleHostgroupChangeEdit to assume host#edit is a hostgroup form....

fixes #16580 - redact BMC password in ENC/templates with setting

Passwords stored against BMC NICs are accessible by default via
nic.password in a template, even in safe mode (861a03b), and are also
exported in the ENC output. A new bmc_credentials_accessible setting...