Update Version From Dev Tool Upgrade

Update Cookbook Version because there were changes:
- Update Dev Tools
- Change some code to match Rubocop
Adjust Travis-CI Config

Use the faster Docker based images on Travis-CI. This is fine
since these are just Unit tests and not trying to use Integration
Tests inside the Docker Container.

http://blog.travis-ci.com/2014-12-17-faster-builds-with-container-based-infrastructure/
Update Rubocop
Merge pull request #16 from pwelch/update_version_dev_tool_changes

Update Dev Tools and Travis-CI Config