updated bootstrapper
updated knife
updated roles
Import chef-client version 3.1.0
Import cron version 1.2.8
Import logrotate version 1.4.0
Import mysql version 4.0.4
Import openssl version 1.1.0
Import build-essential version 1.4.2
Import nginx version 2.0.4
Import apt version 2.3.0
Import bluepill version 2.3.0
Import rsyslog version 1.9.0