[gdm] Created tag 3.21.90

[Ray Strode <halfline src gnome org>]

The unsigned tag '3.21.90' was created.

Tagger: Ray Strode <rstrode redhat com>
Date: Mon Aug 22 16:26:50 2016 -0400

    3.21.90
    
    - Use LUKS password for to unlock gnome-keyring at login (when autologin is enabled)
    - Translation updates

Changes since the last tag '3.21.4':

Daniel Mustieles (1):
      Updated Spanish translation

Piotr Drąg (2):
      Update POTFILES.in
      Updated Polish translation

Rafael Fontenelle (1):
      Update Gujarati translation

Ray Strode (6):
      build-goo: get rid of gui directory
      build-gui: fix build when xdmcp is disabled
      pam_gdm: add stub pam module
      pam: grab cached password from systemd and pass it on
      NEWS: update for release
      configure: bump to 3.21.90