Create user model
rake db:migrate
Add tasks controller spec
Modify task model and rake db:migrate
Modify users and tasks controller spec
Add feature create task and relate user to task
Add view tasks/_form and feature of task create
Upgrade view users/show
Upgrade view tasks/_form
Upgrade view users/show
Modify migration file set default data
rake db:migrate
Modify view users/show
Add feature of task destroy and modify tasks controller spec
Add feature of task edit and modify tasks controller spec
Merge pull request #2 from ahkr/add_feature_task

Task周りのspecと作成、編集、削除機能実装