rails g model event
fat controller slim
start and end time
rake assets:precompile
Merge branch 'master' into feature/rails-event-model

Conflicts:
	public/assets/manifest-507d3955df1ebff9564cb5d56c13634b.json
add forign key
add correct forign key
Merge pull request #24 from igrs/feature/rails-event-model

モデル作ったのとコントローラーをスリム化あと、時間が出るように