The following issues have been fixed for `mindist`:
- computing the job map on the backend nodes
- using slots count (`-host node1:<s1>,nodeN:<sN>`)
- fixed `dist:span` job mapping method
- fixed `oversubcribe` option with `-host`
Signed-off-by: Boris Karasev <karasev.b@gmail.com>
d2a568afa5