Update chef_handler/README.md
Update chef_handler/README.md

chef-cookbooks/chef_handler,kamaradclimber/chef_handler,ctrlok/chef_handler,opscode-cookbooks/chef_handler,Altiscale/chef_handler,johnbellone/chef_handler-cookbook,mevic/chef_handler,evan2645/chef_handler,h4ck3rm1k3/chef_handler,alfert/cookbooks-chef_handler,juliandunn/chef_handler,fooforge/chef_handler,zuazo-forks/opscode-cookbooks-chef_handler,chef-tutorials/chef_handler,protec-cookbooks/chef_handler,hh/chef_handler,miketheman/opscode-chef_handler,cookbooks/oc-chef_handler,jssjr/chef_handler