Merge pull request #13 from skx/master

Added Slaughter - the perl-based configuration management tool.

README.md

@@ -81,6 +81,7 @@ A curated list of amazingly awesome open source sysadmin resources inspired by [
 * [Chef](http://www.opscode.com/chef/) - It's written in Ruby and Erlang and uses a pure-Ruby DSL.
 * [Puppet](http://puppetlabs.com/) - It's written in Ruby and uses Puppet's declarative language or a Ruby DSL.
 * [Salt](http://www.saltstack.com/) - It's written in Python.
+* [Slaughter](http://steve.org.uk/Software/slaughter/) - It's written in Perl.
 
 ## Continuous Integration
 *Continuous integration software.*