Displays settings is being reset after logout

[Alexander Vlasov]

When you have two monitors their positioning is being reset after logout/login.
1. Go to Gnome settings, Displays.
2. You'll see that monitors are top-aligned. See screenshot initial_setup.png.
3. Move second monitor to the bottom, so monitor will become bottom-aligned, apply and save changes. See bottom_aligned.png
4. Log out from Gnome and log in again.
5. Go to Gnome settings, Displays.

Expected: Positioning of the monitors remains, they should be bottom aligned.
Actual: Positioning is reset and they are again top-aligned

ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: gnome-control-center 1:3.6.3-0ubuntu56
ProcVersionSignature: Ubuntu 3.13.0-24.47-generic 3.13.9
Uname: Linux 3.13.0-24-generic x86_64
NonfreeKernelModules: nvidia
ApportVersion: 2.14.1-0ubuntu3
Architecture: amd64
CurrentDesktop: GNOME
Date: Thu May 15 11:42:38 2014
InstallationDate: Installed on 2011-04-30 (1110 days ago)
InstallationMedia: Ubuntu 10.10 "Maverick Meerkat" - Release amd64 (20101007)
SourcePackage: gnome-control-center
UpgradeStatus: Upgraded to trusty on 2014-05-07 (7 days ago)
usr_lib_gnome-control-center: activity-log-manager 0.9.7-0ubuntu14

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.