<openshift.ks> Added zerombr line for full automation of KS
Starting in anaconda-13.21.176-1 shipped with RHEL 6.3
The 'zerombr' line was necessary to have fully automated
kickstart. Documented in RHEL 6.3 technilate notes and
Red Hat Article 117513
Merge pull request #54 from kyle-benson/rebase_ksmod

<openshift.ks> Added zerombr line for full automation of KS