add guard livereload
move coffeescript file to js and remove coffeescript comments
add ruby-version file
make sure rspec tests are run via bundle exec
update spec to use factorygirl
wip - start adding person specs
wip - add driver license validations
wip - update rspec syntax to use let instead of before blocks
DRY up person model spec

per
http://everydayrails.com/2012/03/19/testing-series-rspec-models-factory-girl.html