can move from new_events_user to show_event.
Merge pull request #5 from Y-Fujikawa/dev

自動テストの作成
Merge branch 'dev' into yuta
initialize twitter-bootstrap-rails.
change HTML tags.
support internationalization.
internationalization support to users method.
remove Gemfile.lock.
Merge pull request #7 from Y-Fujikawa/dev

自動テストの作成