[zanata/zanata-scripts] 342104: fix and simplify pipeline build

[GitHub]

  Branch: refs/heads/fix-pipeline
  Home:   https://github.com/zanata/zanata-scripts
  Commit: 342104663816692941ef52413b1ee420558f0a04
      https://github.com/zanata/zanata-scripts/commit/342104663816692941ef52413b1ee420558f0a04
  Author: Ding-Yi Chen <dchen at redhat.com>
  Date:   2018-02-28 (Wed, 28 Feb 2018)

  Changed paths:
    M jenkins/maven-Jenkinsfile
    M zanata-env.sh
    M zanata-maven-release
    M zanata-nexus-release
    M zanata-nexus-staging
    M zanata-pom-set-version

  Log Message:
  -----------
  fix and simplify pipeline build