timols/jenkins-gitlab-merge-request-builder-plugin — pull request #59 by bjaglin (2014-04-24 08:02:04+00:00)
Title: Fix cron validation for Jenkins>=1.558

See https://issues.jenkins-ci.org/browse/JENKINS-22550 for details about the exact same issue for the github plugin.

Shamelessly copied from https://github.com/jenkinsci/ghprb-plugin/pull/28