[gnome-session] Created tag 3.24.2

[Ray Strode <halfline src gnome org>]

The unsigned tag '3.24.2' was created.

Tagger: Ray Strode <rstrode redhat com>
Date: Thu Sep 14 12:56:33 2017 -0400

    Version 3.24.2
    
    - improved systemd error handling
    - gnome-session-inhibit fix
    - Make sure non-graphical services get
      killed at log out when there's
      systemd --user.
    - fix double unref in code
    - Fix user after free
    - Translation updates

Changes since the last tag '3.24.1':

Bastien Nocera (2):
      systemd: Throw a descriptive warning if badly setup
      systemd: Add more details to systemd setup error

Debarshi Ray (1):
      client: Prevent the GDBusMethodInvocation from being unref-ed twice

Jeremy Bicha (1):
      Fix Spanish translation header

Kristjan SCHMIDT (1):
      Updated Esperanto translation

Maxime de Roucy (1):
      gnome-session-inhibit: fix child cmd arguments

Ray Strode (6):
      fail-whale: handle X server dying before startup
      shell-extension: fix warning when iterating over extension list
      system: add api for detecting if this is the last session for a user
      manager: restart user bus if last graphical session
      NEWS: update for release
      configure: bump to 3.24.2

Tomas Popela (2):
      Fix use of uninitialised variable in get_session_keyfile_if_valid()
      Fix use-after-free in initialize_gio()