[zanata/zanata-scripts] 03aab8: Fix pipeline (#17)

[GitHub]

  Branch: refs/heads/master
  Home:   https://github.com/zanata/zanata-scripts
  Commit: 03aab83fee4d22d7ce12c64ac6590ba37e0832a5
      https://github.com/zanata/zanata-scripts/commit/03aab83fee4d22d7ce12c64ac6590ba37e0832a5
  Author: Ding-Yi Chen <dingyichen at gmail.com>
  Date:   2018-03-01 (Thu, 01 Mar 2018)

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

  Log Message:
  -----------
  Fix pipeline (#17)

fix and simplify pipeline build