Add ability to configure a couple of things:

- Whether to parse CloudFormation metadata (which are always Strings) to Boolean or Number types
- what AWS region to use
Update README.md
Some tests for the convert_metadata method
Merge pull request #3 from sunpig/tests

Tests
Update copyright and license.
Merge pull request #2 from fanduel/release-0.0.2

Add ability to configure a couple of things:
Update the aws-sdk client to support all current cloudformation features.
Updating forked gem details, while retaining copyrights and licencing.
Pin nokogiri to enable gem to work with ruby 1.8.7 .
Make instance variable for use use in other class functions.
Extract connection creation into it's own function.
Move connection creation into lookup function where we can use scope variables. Added check for previous connection creation.
Add interpolation so we can use dynamic data from hiera.yaml for the region.
Update documentation.
Change whitespace to tabs to preserve formatting.
Use upstream gem  dependencies.
Change gem details for publishing of fork.
Merged
Use upstream gem dependencies again.