updated nodejs
Merge branch 'master' of github.com:rubyrainbows/rubyrainbows_ruby

* 'master' of github.com:rubyrainbows/rubyrainbows_ruby:
  added pg gem
  added some new gems

Conflicts:
	attributes/default.rb
	metadata.rb
Merge branch 'master' of github.com:rubyrainbows/rubyrainbows_ruby

* 'master' of github.com:rubyrainbows/rubyrainbows_ruby:
  using ruby from source

Conflicts:
	attributes/default.rb
	metadata.rb
	recipes/default.rb
Added packages to centos