[gdm] Created tag 3.15.91

[Ray Strode <halfline src gnome org>]

The unsigned tag '3.15.91' was created.

Tagger: Ray Strode <rstrode redhat com>
Date: Fri Feb 27 17:10:35 2015 -0500

    Version 3.15.91
    
    - Improved debug output
    - more X-without-root fixes
    - pass LANG to gdm daemon
    - fix hang with autologin
    - Less flicker with wayland

Changes since the last tag '3.15.90.5':

Ray Strode (20):
      manager: finish displays even if they're unmanaged
      display: turn some assertions into warnings
      manager: quit plymouth later
      session: move some debug spew around
      session: add more debug spew about session type
      session: reset session type to default when selecting non-wayland session
      session: jump to VT up front for X sessions
      worker: force KD_GRAPHICS mode before doing VT switch
      display: invert g_warn_if_fail conditionals
      worker: add some debug messages
      worker: setuid after taking control of tty
      session: more debug spew
      systemd: import language into daemon environment
      manager: reset session-type for autologin
      display: improve autologin debug message
      daemon: make sure autologin display starts on initial vt
      manager: fix up spacing
      session-worker: add FIXME
      NEWS: update for release
      configure: bump to 3.15.91