autotest/virt-test — pull request #628 by xiaoqing-wei (2013-07-12 09:24:28+00:00)
Title: remove qcow3 cfg from guest-hw.cfg and add qcow2 V3 cfg in RHEL.7 host cfg

images created with qemu-img -f qcow2 -o compat=1.1 is still qcow2 formation, but Version 3

Signed-off-by: Xiaoqing Wei