fixes #10298 - handle destroyed but present interfaces

When deleting a host and DHCP orchestration is removing reservations for NICs,
it generates a dhcp_record that contains next-server data. Determining the
next-server IP causes the primary interface to be fetched for DNS resolution,...

Refs #10337 - Update Host searches to use outofsync_interval

Fixes #10337 - Added setting out of sync duration

fixes #10168 - delegate fqdn/shortname to primary interface

Fixes #10111 - Use a dummy primary interface for unmanaged hosts

Unmanaged hosts require a host interface due to delegation of networking
attributes, and some others like 'name'. Since unmanaged hosts do not
necessarily have an interface associated (unless created through puppet...

fixes #9993 - Removes root password and partition table reqs unless build mode selected

Fixes #10025 - move generic taxonomies code to base class

Fixes #9947 - restrict user taxonomies if none is set

Fixes #8890 - Allow selection of plaintext "encryption" method for root password

Fixes #9618 - make identifier uniq per host