Added qed disk driver type in Koan.  Fixes cobbler/cobbler#547
Credit to dmlb2000 -- this solves exclude not working on reposync for added repos.  This doesn't solve it for rhn:// repos though, that will be a separate issue.  Fixes cobbler/cobbler#218
fixed styling
Merge pull request #549 from khaki54/master

Added qed disk driver type in Koan.  Fixes cobbler/cobbler#547