[gdm] Created tag 3.17.2

[Ray Strode <halfline src gnome org>]

The unsigned tag '3.17.2' was created.

Tagger: Ray Strode <rstrode redhat com>
Date: Wed Jun 3 15:22:59 2015 -0400

    Version 3.17.2
    
    - BSD fixes
    - Don't build Xsession by default
    - Fix monitor hotplug segfault
    - kdbus fixes
    - Translation updates

Changes since the last tag '3.16.1.1':

Antoine Jacoutot (1):
      Do not hardcode path to true(1).

Colin Walters (1):
      build: Fix double --enable-enable in previous commit

Daniel Mustieles (1):
      Updated Spanish translation

David Herrmann (1):
      gdm-{x,wayland}-session: don't start dbus-daemon if unneeded

Jasper St. Pierre (2):
      Update .gitignore
      Make Xsession installation conditional, and off by default

Jordi Mas (1):
      Fixes to Catalan translation

Ray Strode (2):
      NEWS: update for release
      configure: bump to 3.17.2

Richard Bradfield (1):
      manager: fix monitor hotplug segfault

laurent Soleil (1):
      Updated Occitan translation

osfans (1):
      update zh_CN translation