[gnome-session] Created tag 3.25.3

[Ray Strode <halfline src gnome org>]

The unsigned tag '3.25.3' was created.

Tagger: Ray Strode <rstrode redhat com>
Date: Wed Jun 21 18:24:29 2017 -0400

    3.25.3
    
    * improved error messages with systemd integration
    * fix crash in fail whale if X dies
    * fix warning/crash when iterating over extensions
    * kill dbus clients at logout
    * leverage unicode for clarity and aesthetics
    * BSD support improvements
    * drop old SSH_AUTH_SOCK on wayland workaround
    * 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

Eric Koegel (1):
      gsm-consolekit: add support for ConsoleKit2

Evan Klitzke (1):
      remove hack for #738205

Kristjan SCHMIDT (1):
      Updated Esperanto translation

Piotr Drąg (1):
      Use Unicode in translatable strings

Ray Strode (7):
      fail-whale: handle X server dying before startup
      shell-extension: fix warning when iterating over extension list
      manager: add bus daemon dbus api xml file
      system: add api for detecting if this is the last session for a user
      manager: kill off bus clients at log out
      NEWS: update for release
      configure: bump to 3.25.3