[gdm] Created tag 3.20.1

[Tim Lunn <timl src gnome org>]

The unsigned tag '3.20.1' was created.

Tagger: Tim Lunn <tim feathertop org>
Date: Tue Apr 19 15:08:40 2016 +1000

    Version 3.20.1
    
    - Fix passwordless logins on Debian/Ubuntu
    - Don't allow passwordless XDMCP logins
    - Fix redhat pam configuration
    - Translation updates

Changes since the last tag '3.20.0':

Arash Mousavi (1):
      Update Persian translations

Fabio Tomat (2):
      Updated Friulian translation
      Updated Friulian translation

Inaki Larranaga Murgoitio (1):
      Updated Basque language

Jeff Bai (1):
      update zh_CN translation

Ray Strode (1):
      pam-redhat: don't run full account and password stacks for gdm session

Tim Lunn (4):
      gdm-session: set PAM_TTY when initialising pam
      gdm-session: require a password for for remote logins
      NEWS: update for release
      configure: bump to 3.20.1

Trần Ngọc Quân (1):
      Updated Vietnamese translation