Fixes #16740 - Access host params through macro

fixes #8290 - remove foreman_url redundancy

fixes #17853 - resolve ips in interface scope

Fixes #17842 - Adds 'type = compute_resource' to Audit search

Fixes #17015 - Adds Key pairs controller

Fixes #17813 - Add type=LookupValue to Audit search

fixes #16792 - don't modify AR record attributes in-place

Rails 5 may call #freeze on strings passed in as an attribute during
validation, so attributes must not be edited in-place with gsub! and
similar methods.

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.

Fixes #5483,#11106 - pass the virtualswitch value to fog

We can't pass the network id directly to the fog, but it accepts the
virtualswitch parameter, that we can use to point to the right value.

Also, it fixes another issue, where we used the vsphere network id to...

Fixes #17636 - token no longer needed for proxied preview