[gdm] Created tag 3.15.91.1

[Ray Strode <halfline src gnome org>]

The unsigned tag '3.15.91.1' was created.

Tagger: Ray Strode <rstrode redhat com>
Date: Mon Mar 2 20:20:58 2015 -0500

    Version 3.15.91.1
    
    - Fix hang on VT switch
    - Translation updates

Changes since the last tag '3.15.91':

Piotr Drąg (1):
      Updated Polish translation

Ray Strode (7):
      worker: drop inaccurate FIXME
      worker: split VT_SETMODE handling to helper function
      worker: don't use SIGUSR1 for VT switch signal
      worker: fix hang in VT_WAITACTIVE
      display: drop set_up_greeter_session function
      NEWS: update for release
      configure: bump to 3.15.91.1