guestfish_block_dev: Add sfdisk, sfdisk-l, sfdiskM, sfdisk-N
guestfish_block_dev: Add sfdisk-disk-geometry,sfdisk-kernel-geometry
Add new file guestfish_lvm.cfg and guestfish_lvm.py for test lvm
related APIs
fix a issue that can not sfdisk for lvm
Revert "virsh.domdisplay: Only add port if nonzero for vnc"

This reverts commit 9cba9b688c72181af5574cfbc4512f17db77ec13.

This patch is wrong as it was a libvirt bug. We should be careful
about adapting tests to actual libvirt behavior as the libvirt could
be wrong, not the test itself.

Signed-off-by: Pavel Hrdina <phrdina@redhat.com>
Merge pull request #164 from Antique/revert-vnc-patch

Revert "virsh.domdisplay: Only add port if nonzero for vnc"
Merge pull request #153 from vanbogithub/bfan-dev

Add sfdisk related test cases
libvirt.tests: add test cases for virsh blkdeviotune

Signed-off-by: Alex Jia <ajia@redhat.com>