Fixed example parameters

":prompt" parameter have to be second (if there are more than one use "{}")
Allow default selected tag
Update form_helper.rb
Update form_helper.rb
Update form_helper.rb
Merge pull request #30 from martinb35/master

":prompt" parameter have to be second (if there are more than one use "{}")
Change configuration to match standard Minitest directory structure
Handle changes from Rails 3 to Rails 4
Merge pull request #33 from petergoldstein/feature/rails_4_integration

Rails 4 integration and Travis matrix integration