updates for fedora 19/fedora 20 branching

update CUR_DEVEL and CUR_RAWHIDE to 19/20 respectively
add ovirt20 kickstarts

Change-Id: Ic94e7e658b30b40b8f99ed4adb204bbe5fc7d28a
Signed-off-by: Mike Burns <mburns@redhat.com>