[gtk+] (3 commits) Non-fast-forward update to branch wip/mir2

[Marco Trevisan <marcotrevi src gnome org>]

The branch 'wip/mir2' was changed in a way that was not a fast-forward update.
NOTE: This may cause problems for people pulling from the branch. For more information,
please see:

 https://wiki.gnome.org/Git/Help/NonFastForward

Commits removed from the branch:

  9aaef4e... mir: create special menu surfaces
  5166895... mir: menu api changed names
  de8c5ff... mir: reconstruct surface if window is moved
  6ea6970... Revert "mir: menu api changed names"
  e24b63e... Revert "mir: create special menu surfaces"
  bc41a13... mir: don't always request mir surfaces
  d9cdd6e... mir: release surface before rendering parent

Commits added to the branch:

  5a3e540... mir: reconstruct surface if window is moved
  b13526b... mir: don't always request mir surfaces
  1762c01... mir: release surface before rendering parent