update nokogiri to 1.8.5 for CVE-2018-14404
update nokogiri to 1.8.5 for CVE-2018-14404

Name: nokogiri
Version: 1.8.4
Advisory: CVE-2018-14404
Criticality: Unknown
URL: https://github.com/sparklemotion/nokogiri/issues/1785
Title: Nokogiri gem, via libxml2, is affected by multiple
vulnerabilities
Solution: upgrade to >= 1.8.5

tedconf/crushinator_helpers,tedconf/crushinator_helpers,tedconf/crushinator_helpers,tedconf/crushinator_helpers