Dropping DISPLAY env variable support

8 jobs for master in 4 minutes and 38 seconds (queued for 1 second)
Status Job ID Name Coverage
  Build
passed #20019
linux
build:linux

00:01:27

passed #20018
mac_old
build:mac

00:02:05

passed #20017
win32
build:win32

00:01:10

passed #20016
winxp
build:winxp

00:01:46

 
  Dist
passed #20023
linux
dist:linux

00:00:16

passed #20022
mac_old
dist:mac

00:01:39

passed #20021
win32
dist:win32

00:00:16

passed #20020
winxp
dist:winxp

00:00:15