Rails initialize.
Add base gems.
Add train info db.
Add train base data.
Add sync rake task.
Modify train_infos table.
Add train and station api.
Add api_key for api auth.
Add custom devise views.
Modify devise views for twitter bootrstap 3.
Add production gemfile.
Add heroku env.
Modify gemfile for heroku.
Modify only sync Tze-Chiang Limited Express.
Fix sync task bug.
Fix sync task issue.
Add remove expire data task.
Add train_class option for sync task.
Add document.
Modify welcome page some string.