fixes #296 making certificate idempotent on chef 11 clients
fixes #296 making certificate idempotent on chef 11 clients

daptiv/windows,protec-cookbooks/windows,juliandunn/windows,rlaveycal/windows,criteo-forks/windows,urban-institute/windows,opscode-cookbooks/windows,stuartpreston/windows,ruicovelo/windows,autoclone/windows,GannettDigital/chef-windows,chef-cookbooks/windows,shoekstra/chef-windows,blairham/windows-cookbook