Merge remote-tracking branch 'remotes/kraxel/tags/ui-20170728-pull-request' into...

Merge remote-tracking branch 'remotes/kraxel/tags/ui-20170728-pull-request' into staging

ui: more keymap fixes for 2.10

# gpg: Signature made Fri 28 Jul 2017 13:59:01 BST
# gpg:                using RSA key 0x4CB6D8EED3E87138
# 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>"
# Primary key fingerprint: A032 8CFF B93A 17A7 9901  FE7D 4CB6 D8EE D3E8 7138

* remotes/kraxel/tags/ui-20170728-pull-request:
  ui: add pause key to linux_to_qcode
  ui: drop ac_search and ac_stop
  ui: correctly detect spice PAUSE scancode sequence

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