Revision 551827

MFH: r551325 r551326 r551789 r551814 r551815

This all bunch of patches fixes GDM with gnome

x11/gdm: @sample-ify some GDM files in etc/

It's been reported that it would be desired to treat the following
files as samples:

- etc/dbus-1/system.d/gdm.conf.sample
- etc/gdm/Init/Default.sample
- etc/gdm/Xsession.sample
- etc/pam.d/gdm-autologin.sample
- etc/pam.d/gdm-launch-environment.sample
- etc/pam.d/gdm-password.sample

PR:		187558
Submitted by:	Eugene M. Kim <astralblue@gmail.com
Reported by:	robmessick@gmail.com
Approved by:	maintainer timeout

x11/gdm: Switch to USES=localbase

Approved by:	portmgr blanket

Properly handle logind -> consolekit

Grab a patch from openbsd and extend it do other components which requires it

Remove from the gnome session a list of required dbus services that no
longer exists

Gnome-shell: fix the login manager interface

gdm call gnome-shell to provide its login manager. with the upgrade of gnome-shell
this wasn't patched to be able to talk to consolekit. Fix this by incorporating patches
from OpenBSD