update provisioner file for ruby 2.4.1
update provisioner file for ruby 2.4.1

girldevelopit/gdi-website,girldevelopit/gdi-new-site,girldevelopit/gdi-website,girldevelopit/gdi-website,girldevelopit/gdi-new-site,girldevelopit/gdi-website,girldevelopit/gdi-new-site