Merge remote-tracking branch 'remotes/awilliam/tags/vfio-update-20150204.0' into...

VFIO fixes:
- Fix wrong initializer (Chen Fan)
- Add missing object_unparent (Alex Williamson)

# gpg: Signature made Wed 04 Feb 2015 18:49:24 GMT using RSA key ID 3BB08B22
# gpg: Good signature from "Alex Williamson <alex.williamson@redhat.com>"
# gpg:                 aka "Alex Williamson <alex@shazbot.org>"
# gpg:                 aka "Alex Williamson <alwillia@redhat.com>"
# gpg:                 aka "Alex Williamson <alex.l.williamson@gmail.com>"

* remotes/awilliam/tags/vfio-update-20150204.0:
  vfio-pci: Fix missing unparent of dynamically allocated MemoryRegion
  vfio: fix wrong initialize vfio_group_list

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>