Fixes #9357 - Making description db types consistent across Foreman

Fixes #6884 - Installation media without $minor generate broken $version

$version is generated with the major version and a dot, producing paths
like foo.bar/x64/7. which don't exist. For CentOS at least we want to generate
a path without the dot. The default values for these media have been changed too.

fixes #3008 - allowing large ptables

Fixes #9198 - migration sets type explicitly

Fixes #7456 - Extract primary interface from host

• Tomas Strachota (tstrachota) <tstrachota@redhat.com>
• Marek Hulán (ares) <mhulan@redhat.com>
• Gregory Sutcliffe (GregSutcliffe) <gsutclif@redhat.com>

All host must have at least one primary interface and one provision (can...

templates - sync from community-templates

fixes #8949 - fix noop migration for smart proxy auth settings

fixes #8857 - refactor Debian boot_files_uri into parent class to match CoreOS

Fixes #8764 - adds description to taxonomies

fixes #8484 - make SmartProxyAuth concern more useful to plugins