Merge remote-tracking branch 'remotes/spice/tags/pull-spice-20140929-1' into staging

add and use graphic_console_set_hwops

# gpg: Signature made Mon 29 Sep 2014 11:18:37 BST using RSA key ID D3E87138
# gpg: Good signature from "Gerd Hoffmann (work) <kraxel@redhat.com>"
# gpg:                 aka "Gerd Hoffmann <gerd@kraxel.org>"
# gpg:                 aka "Gerd Hoffmann (private) <kraxel@gmail.com>"

* remotes/spice/tags/pull-spice-20140929-1:
  qxl: use graphic_console_set_hwops
  console: add graphic_console_set_hwops

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