Version bump to 3.1.2
Version bump to 3.1.2

chef-cookbooks/postfix,gnowxilef/cookbook-postfix,voroniys/postfix,chrisjbray/postfix,leoditommaso/postfix,mlyndaker/postfix,opscode-cookbooks/postfix,yakara-ltd/postfix,chrisjbray/postfix,CarnegieLearningWeb/chef-postfix,nilroy/postfix,tas50/postfix,chef-cookbooks/postfix,gnowxilef/cookbook-postfix,nilroy/postfix,voroniys/postfix,mlyndaker/postfix,interactive-investor-ltd/postfix,yakara-ltd/postfix,interactive-investor-ltd/postfix,opscode-cookbooks/postfix,Lostmyname/postfix,mawatech/postfix,tezz123/postfix,CarnegieLearningWeb/chef-postfix,mawatech/postfix,zuazo-forks/chef-cookbooks-postfix,leoditommaso/postfix,Lostmyname/postfix,zuazo-forks/chef-cookbooks-postfix