[zanata/zanata-scripts] 266dbc: Add back MAVEN_EXTRA_OPTIONS

[GitHub]

  Branch: refs/heads/ZNTA-1803-maven-release-pipeline
  Home:   https://github.com/zanata/zanata-scripts
  Commit: 266dbc86d47c96744858de49a654149af333c1c8
      https://github.com/zanata/zanata-scripts/commit/266dbc86d47c96744858de49a654149af333c1c8
  Author: Ding-Yi Chen <dchen at redhat.com>
  Date:   2018-01-25 (Thu, 25 Jan 2018)

  Changed paths:
    M jenkins/maven-Jenkinsfile

  Log Message:
  -----------
  Add back MAVEN_EXTRA_OPTIONS