[gnome-shell] (4 commits) Non-fast-forward update to branch benzea/systemd-clean-shutdown-with-extension-disabling

[Florian Müllner <fmuellner src gnome org>]

The branch 'benzea/systemd-clean-shutdown-with-extension-disabling' 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:

  9dab0bd... extensionSystem: Create a file to flag that extensions are 
  177b4d7... data: Enable clean session shutdown after gnome-shell failu

Commits added to the branch:

  eee1ab4... introspect: Fix whitelist check (*)
  1ecdb39... Update Greek translation (*)
  f742484... extensionSystem: Create a file to flag that extensions are 
  d9ef612... data: Enable clean session shutdown after gnome-shell failu

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