Add SKIP_FAILJOB_ON_STOP_ERROR flag#246

RickeyWard wants to merge 2 commits intojenkinsci:masterjenkinsci/docker-workflow-plugin:masterfrom

RickeyWard:feature-skip-fail-on-stoperrorRickeyWard/docker-workflow-plugin:feature-skip-fail-on-stoperrorCopy head branch name to clipboard