[zanata/zanata-scripts] 58af8e: refactor: branch functions

[GitHub]

  Branch: refs/heads/fix-pipeline
  Home:   https://github.com/zanata/zanata-scripts
  Commit: 58af8e5761bea9b6bd1ac57109a09935f7da60de
      https://github.com/zanata/zanata-scripts/commit/58af8e5761bea9b6bd1ac57109a09935f7da60de
  Author: Ding-Yi Chen <dchen at redhat.com>
  Date:   2018-02-28 (Wed, 28 Feb 2018)

  Changed paths:
    M zanata-env.sh
    M zanata-functions
    M zanata-maven-release
    M zanata-nexus-release
    M zanata-release-branching

  Log Message:
  -----------
  refactor: branch functions
new function: get_artifact_var_value