Remove unneeded Thorfile
Update Gemfile, add handy Rakefile, use Berkshelf 3

Add necessary gems to allow for testing in the future
Fix F023:  Prefer conditional attributes
Add Rubocop config to avoid errors that aren't a big deal
Rubocop cleanup

* Use Ruby 1.9 hash syntax
* Fix whitespace
* Use %w() for literals
* Use single-quoted strings where possible
* Favor modifiers for single-line conditions
* Use && and ! in favor of `and` and `not`
* Don't use `::` for method calls
Add Test Kitchen config, data bag items, & environment for testing
Update ignored files for addition of Test Kitchen
Add stub for ChefSpec tests
Ensure ~/.vim folders exist to play nicely w/ .vimrc

The .vimrc is installed by the et_base cookbook