[COOK-4411] - Add newling to iptables.snat

Signed-off-by: Sean OMeara <someara@opscode.com>
updating CHANGELOG format for stove
Version bump to 0.12.2
Publish 0.12.2 Changelog
Version bump to 0.12.3 (for development)
[COOK-3927] Substitute Perl version of rebuild-iptables with Ruby version

Signed-off-by: Sean OMeara <someara@opscode.com>
Version bump to 0.13.0
Publish 0.13.0 Changelog
Version bump to 0.13.1 (for development)
Remove unused old perl script from files/
[COOK-4496] Added Amazon Linux support

Signed-off-by: Sean OMeara <someara@opscode.com>
Merge branch 'master' of github.com:opscode-cookbooks/iptables
Version bump to 0.13.2
Publish 0.13.2 Changelog
Version bump to 0.13.3 (for development)
Merge branch 'opscode-master' into develop

* opscode-master:
  Version bump to 0.13.3 (for development)
  Publish 0.13.2 Changelog
  Version bump to 0.13.2
  [COOK-4496] Added Amazon Linux support
  Remove unused old perl script from files/
  Version bump to 0.13.1 (for development)
  Publish 0.13.0 Changelog
  Version bump to 0.13.0
  [COOK-3927] Substitute Perl version of rebuild-iptables with Ruby version
  Version bump to 0.12.3 (for development)
  Publish 0.12.2 Changelog
  Version bump to 0.12.2
  updating CHANGELOG format for stove
  [COOK-4411] - Add newling to iptables.snat