miscellaneous cleanups and unifications
- use operating systems names without versions in the header- reduce diff between kickstart RHEL and non-RHEL- reduce diff between autoyast SLES and non-SLES- don't use '-e 0' to suppress errors with yum
Closes GH-248
miscellaneous cleanups and unifications
- use operating systems names without versions in the header
- reduce diff between kickstart RHEL and non-RHEL
- reduce diff between autoyast SLES and non-SLES
- don't use '-e 0' to suppress errors with yum
Closes GH-248