Update requirements section and update author to cookbook team
Update requirements section and update author to cookbook team

chef-cookbooks/iptables,som3guy/iptables,som3guy/iptables,Altiscale/iptables,gt28/jtu_test,ashumski/iptables,gt28/jtu_test,chef-cookbooks/iptables,som3guy/iptables,Altiscale/iptables,opscode-cookbooks/iptables,czeeb/iptables,chef-cookbooks/iptables,opscode-cookbooks/iptables,opscode-cookbooks/iptables,czeeb/iptables,ashumski/iptables,czeeb/iptables,Altiscale/iptables,gt28/jtu_test,ashumski/iptables