Xorg security and bug fix update

gdm
[3.28.2-16]

• Dont bring up login screen if background session gets killed
  Related: #1680120
  [3.28.2-15]
• sync AllowMultipleSessionsPerUser patch from 7.6 branch
  Resolves: #1664353
• Create dconf dirs by default
  Resolves: #1664284
  [3.28.2-14]
• Fix unlock on XDMCP sessions
  Resolves: #1693060
  [3.28.2-13]
• Fix login on s390
  Resolves: #1680060
  libX11
  [1.6.7-2]
• Restore the less-alarming server-disconnect message
  [1.6.7-1]
• libX11 1.6.7
  [1.6.5-3]
• Make the server-disconnect message less alarming
  libxkbcommon
  [0.7.1-3]
• Actually apply the patch files
  [0.7.1-2]
• Fixes for
  CVE-2018-15864, CVE-2018-15863, CVE-2018-15862, CVE-2018-15861,
  CVE-2018-15859 CVE-2018-15857, CVE-2018-15856, CVE-2018-15855,
  CVE-2018-15854, CVE-2018-15853
  mesa-libGLw
  [8.0.0-5]
• Fix external API symbol visibility
  xorg-x11-drv-ati
  [19.0.1-2]
• Avoid breakage on Xserver reset (#1674474)
  [19.0.1-1]
• ati 19.0.1
  xorg-x11-drv-vesa
  [2.4.0-3]
• Refuse to run on UEFI framebuffers for v3.10 kernels too
  [2.4.0-2]
• Refuse to run on UEFI framebuffers
  xorg-x11-drv-wacom
  [0.36.1-3]
• Ratelimit the bug message warnings (#1642197)
  [0.36.1-2]
• Fix Cintiq 27QHD error message on proximity in (#1642197)
  [0.36.1-1.1]
• Rebuild for xserver 1.20
  xorg-x11-server
  [1.20.4-7]
• Fix a segfault with non-PCI platform devices (and other cases)
  [1.20.4-6]
• Stop VT switching when inactive server dies
  Resolves: #1680120
  [1.20.4-5]
• Fix a crash in RRProviderAutoConfigGpuScreen
  [1.20.4-3]
• Backport fix for 1612924 - enabled monitors
  [1.20.4-2]
• Dont reset last.valuators on slave device switch (#1640207)
  [1.20.4-1]
• xserver 1.20.4
  [1.20.1-7]
• Sync platform probe patch with upstream
  [1.20.1-6]
• Move LeaveVT after resetting randr pointers in xf86CrtcCloseScreen
  [1.20.1-5.1]
• CVE-2018-14665: Disable -logfile and -modulepath when running with elevated
  privileges