[zanata/zanata-platform] fe9a21: turn on xvfb debug

[GitHub]

  Branch: refs/heads/Jenkinsfile
  Home:   https://github.com/zanata/zanata-platform
  Commit: fe9a216bb8da8a67e4fe51e1efae9e6cfe326e78
      https://github.com/zanata/zanata-platform/commit/fe9a216bb8da8a67e4fe51e1efae9e6cfe326e78
  Author: Ding-Yi Chen <dchen at redhat.com>
  Date:   2017-03-16 (Thu, 16 Mar 2017)

  Changed paths:
    M Jenkinsfile

  Log Message:
  -----------
  turn on xvfb debug