Merge remote-tracking branch 'pmaydell/tags/pull-cocoa-20140112' into staging

cocoa queue:
 * pass command key to guest when VM has mousegrab
 * add .qcow2 to extension list for image load dialog
 * fix bugs in code for starting QEMU via image load dialog
 * fix resize/redraw interaction
 * draw window black if guest hasn't sent anything to screen
 * minor style/typo fixes
 * add myself as cocoa co-maintainer

# gpg: Signature made Sun 12 Jan 2014 02:45:52 PM PST using RSA key ID 14360CDE
# gpg: Can't check signature: public key not found

* pmaydell/tags/pull-cocoa-20140112:
  MAINTAINERS: add myself as cocoa UI co-maintainer
  ui/cocoa: Remove stray tabs
  ui/cocoa: Draw black rectangle if we have no data yet
  ui/cocoa: Redraw at correct size when switching surface
  ui/cocoa: Fix code for starting QEMU via image file load dialog
  ui/cocoa: Add ".qcow2" to extension list for image load dialog
  ui/cocoa: Send warning message to stderr, not stdout
  ui/cocoa: Correct typos in comments and variable names
  ui/cocoa: Pass command key through to guest when VM has mousegrab

Message-id: 1389567158-31066-1-git-send-email-peter.maydell@linaro.org
Signed-off-by: Anthony Liguori <aliguori@amazon.com>