[zanata/zanata-platform] e8f441: Use notify.error instead

[GitHub]

  Branch: refs/heads/ZNTA-2035-GitHubReporting
  Home:   https://github.com/zanata/zanata-platform
  Commit: e8f4416f9f86f586a5abb06af8f9f0b458aa5c3e
      https://github.com/zanata/zanata-platform/commit/e8f4416f9f86f586a5abb06af8f9f0b458aa5c3e
  Author: Ding-Yi Chen <dchen at redhat.com>
  Date:   2017-08-04 (Fri, 04 Aug 2017)

  Changed paths:
    M Jenkinsfile

  Log Message:
  -----------
  Use notify.error instead