[zanata/zanata-scripts] 420943: Use readMavenPom

[GitHub]

  Branch: refs/heads/ZNTA-1803-maven-release-pipeline
  Home:   https://github.com/zanata/zanata-scripts
  Commit: 4209439c5b7ace7049560c812ecaa64656b2fb07
      https://github.com/zanata/zanata-scripts/commit/4209439c5b7ace7049560c812ecaa64656b2fb07
  Author: Ding-Yi Chen <dchen at redhat.com>
  Date:   2017-11-23 (Thu, 23 Nov 2017)

  Changed paths:
    M jenkins/maven-Jenkinsfile

  Log Message:
  -----------
  Use readMavenPom