Add missing tunables to 'cluster' my.cnf template:
Add missing tunables to 'cluster' my.cnf template:

 * back_log
 * max_connections
 * max_connect_errors
 * table_cache

twistle/chef-percona,Sauraus/chef-percona,Sauraus/chef-percona,notion/chef-percona,archsaber/chef-percona,phlipper/chef-percona,engineyard-cookbooks/percona,twistle/chef-percona,jharley/chef-percona,bitpusher-real/chef-percona,archsaber/chef-percona,phlipper/chef-percona,notion/chef-percona,bitpusher-real/chef-percona,jharley/chef-percona,mevansam/chef-cookbook-percona