Added more documentation related to configuring logging
[DOC] Added info about installing missing packages in the "Chef Solo" bootstrap
[DOC] Added `apt-get update` to the "Chef Solo" bootstrap script example in Readme
[DOC] Added information about customizing the cookbook with the "wrapper cookbook" pattern

Resources:

* http://dougireton.com/blog/2013/02/16/chef-cookbook-anti-patterns/
* http://realityforge.org/code/2012/11/19/role-cookbooks-and-wrapper-cookbooks.html
* http://stackoverflow.com/questions/15933157/replacing-a-template-in-a-wrapper-cookbook/15935161#15935161

Related: #152
Release 0.3.5
[DOC] Removed non-ASCII quotes from Readme

The typographic quotes have been breaking uploads to chef-server

Closes #154
Release 0.3.6
[DOC] Removed non-ASCII dashes from Readme

Closes #155
Release 0.3.7
[DOC] Added links to documentation for deb/rpm
Create the `elasticsearch` user as "system" user to avoid UID/GID collisions

Closes #159
[DOC] Fixed incorrect EC2 configuration (data bag) in the README
Added default `node.elasticsearch.http.port` to the Nginx proxy template
Improved documentation for the `print_value` helper method

Closes #169
[VAGRANT] Update the Vagrant gem to 1.0.7 in the Gemfile
[VAGRANT] Update the Vagrant file to be compatible with Vagrant 1.0

(And keep > 1.1 compatible configuration)
Disable `bootstrap.mlockall` automatically on weak systems (< 1GB RAM)
Added a link to the tutorial on Elasticsearch.org site to the Readme

<http://www.elasticsearch.org/tutorials/deploying-elasticsearch-with-chef-solo/>
Refactored the testing support: run tests only when ENV['TEST'] is set
Added support to provide node attributes via custom JSON file for Vagrant

    $ echo '{
        "elasticsearch" : {
          "version" : "1.0.0.Beta2"
        }
      }
      ' > node.json

    $ time CONFIG=node.json bundle exec vagrant provision precise64