This patch adds support for the CentOS 6 x86_64 parent channel in
dell-satellite-sync.py, and will use the RHEL 6 x86_64 repositories
in http://linux.dell.com/repo/hardware/latest.

To apply, place corresponding patch in same directory as dell-satellite-sync.py
and run:

$ patch -p1 < dell-satellite-sync-x.x.x.patch

Notes:

* assumes name of CentOS 6 x86_64 channel is 'centos-x86_64-server-6'
* don't have a patch for v0.4.5 (coming soon)

01.03.2013