Add chef_version metadata
Add chef_version metadata

Signed-off-by: Tim Smith <764ef62106582a09ed09dfa0b6bff7c05fd7d1e4@chef.io>

chef-cookbooks/jenkins,b-dean/jenkins,Sauraus/jenkins,mknapik/jenkins,daften/cookbook-jenkins,juliandunn/jenkins,dshvedchenko/jenkins,Sauraus/jenkins,opscode-cookbooks/jenkins,autoclone/jenkins-cookbook,mknapik/jenkins,opscode-cookbooks/jenkins,autoclone/jenkins-cookbook,samdunne/jenkins,StephenKing/chef-cookbook-jenkins,samdunne/jenkins,juliandunn/jenkins,chef-cookbooks/jenkins,b-dean/jenkins,StephenKing/chef-cookbook-jenkins,gshively11/jenkins,gshively11/jenkins,gshively11/jenkins,autoclone/jenkins-cookbook,b-dean/jenkins,daften/cookbook-jenkins,dshvedchenko/jenkins,chef-cookbooks/jenkins,juliandunn/jenkins,opscode-cookbooks/jenkins,dshvedchenko/jenkins,daften/cookbook-jenkins,mknapik/jenkins,Dispader/jenkins,Sauraus/jenkins,samdunne/jenkins,Dispader/jenkins,Dispader/jenkins,StephenKing/chef-cookbook-jenkins