Fixes #13913 - split importing of host and facts

Fixes #5883 - Reflect token expiry in build status

The Global Status introduced in recent Foreman releases makes it easy to
mark the build status as erroneous if the token has expired. This drags
attention to the fact that the host will not be able to mark itself as...

Fixes #12936 - Host inherits attributes when hostgroup is AR object

fixes #13883 - replace :order association option with block

Already deprecated in an earlier Rails release, :order in an
association should be replaced by a scope block calling order().

Fixes #13834 - associate puppet proxies only for puppet imports

fixes #10989 - removing 1.12 deprecations

Fixes #13664 - rescue smtp errors if mail failed on host built

Fixes #6342 - merge compute profile when attributes in api host#create

API v2 host#craete call now merges user specified compute attributes
with compute profile. UI functionality remains untouched.

fixes #12791 - allow access to boot_files_uri and medium in safe_mode

Fixes #13557 - Rubocop enforce specifying a timezone

Rubocop can enforce what timezone to store in the database ,
so we can ensure everything is stored using UTC and we don't
miss these things in code reviews. When objects are displayed,
they must use the time provided by set_timezone in the...