Relax iptables version dependency
Relax iptables version dependency

iptables cookbook 2.0 has been out for +6 months.
https://github.com/chef-cookbooks/iptables

opscode-cookbooks/openssh,chef-cookbooks/openssh,juliandunn/openssh,chef-cookbooks/openssh,juliandunn/openssh,opscode-cookbooks/openssh,juliandunn/openssh