Add first test for check travis-ci
Update README.md
Update .travis.yml
Merge pull request #41 from rgarbin/master

Fisrt unit test
Update stat_data.yml
Update stat_data_test.rb
Update Gemfile
Update Gemfile
Update .travis.yml
Update .travis.yml
Update Gemfile
Update .travis.yml
Update README.md
fix ruby version on travis, merge ruby on README.
fix merge