New rsyslog Cookbook

Ohai Chefs,

I just released rsyslog v1.8.0:

Diff: https://github.com/opscode-cookbooks/rsyslog/compare/v1.7.0...v1.8.0
Changelog: https://github.com/opscode-cookbooks/rsyslog/blob/master/CHANGELOG.md#v180

Happy cooking,
Seth