[zanata/zanata-scripts] 2b1877: fix(release-notes-prepend): create TMP_ROOT

[GitHub]

  Branch: refs/heads/ZNTA-1803-maven-release-pipeline
  Home:   https://github.com/zanata/zanata-scripts
  Commit: 2b187727f3dae8f9ef1cb0c5881faba885580cad
      https://github.com/zanata/zanata-scripts/commit/2b187727f3dae8f9ef1cb0c5881faba885580cad
  Author: Ding-Yi Chen <dchen at redhat.com>
  Date:   2018-02-06 (Tue, 06 Feb 2018)

  Changed paths:
    M zanata-release-notes-prepend

  Log Message:
  -----------
  fix(release-notes-prepend): create TMP_ROOT