Added missing check for rsync requirement in inspector
Set name of unknown operating system during inspection

This patch sets the name of the operating system if an unknown operating
system is inspected. If the name is left empty the system description
is invalid and useless to users. This patch allows to experimentally inspect
operating systems which are unsupported, yet.
Merge pull request #438 from SUSE/squashed_fixes_for_legacy_opensuse_systems

Squashed fixes for legacy opensuse systems