This commit update ruby from 2.0.0 to 2.1.3

The opscode/supermarket project was updated to 2.1.3. When the
application recipe attempts to bundle install the gems from the
supermarket application, the command fails stating that the current ruby
installed is ruby 2.0.0 instead of the Gemfile requirement of 2.1.3.
Merge pull request #68 from drag00n/drag00n/updateruby

This commit update ruby from 2.0.0 to 2.1.3