Upgrade Ruby 1.9.3 to patchlevel 385

Results of 'make check' here:
https://gist.github.com/luislavena/4730593
Prepare for release
Upgrade OpenSSL to version 1.0.0k

In response to CVE-2013-0169:
http://www.openssl.org/news/secadv_20130205.txt
Update Ruby 1.9.3 to patchelvel 392

Results of 'make check' here:
https://gist.github.com/luislavena/5015593
Prepare for release
Correct History about building Ruby 2.0

NEXT is the name of the variable, not NEWER.
Upgrade Ruby 2.0.0 to patchlevel 0

Results of 'make check' here:
https://gist.github.com/luislavena/5023928
Generate documentation to target version of Ruby

Version used for RDoc was hardcoded to interpreters definition, not
taking in consideration building Ruby 2.0 using 'ruby19' recipe.

Switch rdoc generation to use runtime Ruby information to determine
namespace and target directory.
Do not install RubyGems for Ruby 2.0

Ruby 2.0 bundles RubyGems 2.0.0, which hasn't been released yet to
rubygems.org

Installing older version (1.8.25) breaks default gems functionality.
Upgrade rb-readline to version compatible with Ruby 2.0
Prepare for release
Check for installed devkit after upgrade

Closes #151
Upgrade Ruby 1.9.3 to patchlevel 429

Results of 'make check':
https://gist.github.com/luislavena/5580591
Upgrade Ruby 2.0.0 to patchlevel 195

Results of 'make check':
https://gist.github.com/luislavena/5581103
Mark release
Add a YAML syntax hint to dk.rb

Since config.yml needs to be valid YAML, simply adding a line with the path to ruby at the end of it will cause the file to be invalid, resulting in an error when dk.rb install is run. So, include a hit about YAML syntax in the instructions at the top of the config.yml file.
Merge pull request #177 from DouglasLivingstone/patch-1

Add a YAML syntax hint to dk.rb
Upgrade Ruby 1.8.7 to patchlevel 374

Results of 'make check':
https://gist.github.com/anonymous/5940431
Upgrade of Ruby 1.9.3 to patchlevel 448

Results of 'make check' here:
https://gist.github.com/luislavena/5941863
Upgrade Ruby 2.0.0 to patchlevel 247

Results of 'make check' here:
https://gist.github.com/luislavena/5943560