[mutter] (3 commits) Non-fast-forward update to branch bilelmoussaoui/drop-zenity

[Bilal Elmoussaoui <bilelmoussaoui src gnome org>]

The branch 'bilelmoussaoui/drop-zenity' 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:

  d581b98... core: Drop the default close dialog implementation
  3abd22a... x11 SM: Replace zenity with Clutter actors
  839d805... core: Drop zenity show_dialog

Commits added to the branch:

  5884b0a... core: Drop the default close dialog implementation
  0e09b7b... x11 SM: Replace zenity with Clutter actors
  087c44b... core: Drop zenity show_dialog