Install devise and add feature of creating user
Add home#index
Use rails-assets-*
Add account links
Generate simple_form for setting bootstrap
Fix simple_form for bootstrap3
Fix some settings
Remove unused file
Remove unused gems
Add Task and TimeEntry models
Add task management feature of basic
Add cancancan for authrization
Add ability
Add test
Add timer feature
Set default_scope for TimeEntry model
Tweak design