Modified:   app/views/yukky/index.html.erb
Add 'id' to table tr
Don't use each_with_index
Modified:   app/controllers/yukky_controller.rb app/views/yukky/index.html.erb
Change key "time" to "created_at"
Merge branch 'time_to_created_at' into add_button_to_table

Conflicts:
	app/views/yukky/index.html.erb
Modified:   app/assets/javascripts/yukky.js
Set alert when click button
Merge branch 'add_button_to_table'