Remove check for chef_max_version and default max version

Conflicts:
	files/private-chef-cookbooks/private-chef/attributes/default.rb
	files/private-chef-cookbooks/private-chef/templates/default/nginx/scripts/dispatch.lua.erb
Update change log
Bump the pedant version
Merge branch 'jm/11.1-stable_no_max_client_version' into 11.1-stable PR #572