Dropping DISPLAY env variable support

8 jobs for master in 4 minutes and 31 seconds (queued for 5 seconds)
latest
Status Job ID Name Coverage
  Build
passed #16849
linux
build:linux

00:01:26

passed #16848
mac_old
build:mac

00:02:04

passed #16847
win32
build:win32

00:01:08

passed #16846
winxp
build:winxp

00:01:41

 
  Dist
passed #16853
linux
dist:linux

00:00:16

passed #16852
mac_old
dist:mac

00:01:40

passed #16851
win32
dist:win32

00:00:17

passed #16850
winxp
dist:winxp

00:00:15