Updated README.md documenting use with librarian-chef

Fixed name of gem for use of librarian-chef
Update Travis config for builds
Add Emeril for releasing
Update CHANGELOG for new release
Bump version for release
Update default ruby to latest patch of 1.9.3
Update README for correct ruby 1.9.3 patch

This is related to the previous commit that updated the default ruby
to 1.9.3-p547
Merge pull request #246 from ncreuschling/patch-1

Updated README.md documenting use with librarian-chef
Update CHANGELOG with upcoming 0.9.3 changes
Bump version for development to 0.9.3
Merge branch 'master' into a-nontrivial-refactor

Conflicts:
	README.md
	Rakefile
	attributes/default.rb
Update travis.yml to 1.9.3 patch release