Merge commit 'upstream/stable-0.11' into stable-0.11

Merge commit 'upstream/stable-0.11' into stable-0.11

* commit 'upstream/stable-0.11': (38 commits)
  Update version and changelog for 0.11.0-rc2 release
  Add missing linefeed in error message
  Clean up VGA type selection; far too many variables being used to track one state leads to confusion if new variables are added.
  When using stdio monitor and VNC display, one can set or clear a VNC password; this should set or turn off VNC authentication as well.
  Don't segfault when changing VNC password on an SDL display.
  Fix detached migration with exec.
  Do not disable autostart for live migration
  make vga screen_dump use DisplayState properly
  Fix device name completion for 'eject'
  sdl.c: support 32 bpp cursors
  Use corect depth from DisplaySurface in vmware_vga.c
  Fix migration for ide devices
  check for PR_SET_NAME being defined
  make windows notice media change
  Fix do_commit() behavior
  net: Fix do_set_link() return type
  Add/Fix command-line checks for smbios options v2
  vga: do not resize the screen on hw_invalidate
  fix sdl window resize
  Fix checksum writing in signboot.sh
  ...

Signed-off-by: Avi Kivity <avi@redhat.com>