Merge pull request #6 from word/master

mostly mcollective stuff and some bug fixing
Merge pull request #7 from word/master

Install mcollective from source as the server gem is very out of date
Merge pull request #8 from word/master

Updated recipe-aws.rb and cleaned up unused method
Merge pull request #9 from word/master

Added pg rubygem
Merge pull request #10 from word/master

Install packages non interactively on Ubuntu
Merge pull request #11 from word/master

Bumped up stomp gem version