[gdm] Created tag 3.17.90

[Ray Strode <halfline src gnome org>]

The unsigned tag '3.17.90' was created.

Tagger: Ray Strode <rstrode redhat com>
Date: Mon Aug 24 12:56:37 2015 -0400

    Version 3.17.90
    
    - Fix GDM_LANG corruption that sometimes fails login
    - Rework wtmp handling
    - Code clean ups
    - Translation updates

Changes since the last tag '3.17.4':

Akom Chotiphantawanon (1):
      Updated Thai translation

Paul Szabo (4):
      session-record: fix use after free
      session-record: simplify utmp updating logic
      session-record: don't set ut_id
      session-record: write ut_line for remote logins too

Piotr Drąg (1):
      Updated Polish translation

Ray Strode (4):
      gdm-x-session: drop spurious g_getenv call
      session: fix corruption of GDM_LANG environment variable
      NEWS: update for release
      configure: bump to 3.17.90

Yacine Bouklif (1):
      Added Kabyle translation