[LightDM] Merge "greeter-background" branch - revno: 295 [merge] - not quite

[poma]

Aye Capt'n.

Starting with:
revno: 295 [merge]
committer: Andrew P. <pan.pav.7c5 at gmail.com>
branch nick: merge_1.8.6
timestamp: Sat 2014-08-09 07:47:00 +0300
message:
  Merge "greeter-background" branch

i.e.
http://bazaar.launchpad.net/~lightdm-gtk-greeter-team/lightdm-gtk-greeter/trunk/revision/295


This is not shown:
/etc/lightdm/lightdm-gtk-greeter.conf
background=/what/ever/bit/map/it/is.[j]p[n]g


Just some shade of gray.
Nouveau.