[gnome-shell] (9 commits) Non-fast-forward update to branch wip/carlosg/sound-abstraction

[Florian Müllner <fmuellner src gnome org>]

The branch 'wip/carlosg/sound-abstraction' 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:

  25fc7f7... automountManager: Port to MetaSoundPlayer for emitting soun
  505cd0f... messageTray: Port to MetaSoundPlayer for emitting sounds
  0086822... volume: Port to MetaSoundPlayer for emitting sounds
  5b0e919... global: Drop API to play sounds
  661bd02... build: Remove Canberra dependency

Commits added to the branch:

  8be0c5a... Add app introspection API (*)
  ca4e563... introspect: Add GetWindows method (*)
  2159d68... layout: Always allow hiding the overview (*)
  4259676... dnd: Repick target actor if destroyed mid iteration (*)
  9a35c99... automountManager: Port to MetaSoundPlayer for emitting soun
  25bfe99... messageTray: Port to MetaSoundPlayer for emitting sounds
  a600265... volume: Port to MetaSoundPlayer for emitting sounds
  2a1f915... global: Drop API to play sounds
  3989cad... build: Remove Canberra dependency

(*) This commit already existed in another branch; no separate mail sent