Revert "Datatable test and tell me!! - zj"

This reverts commit fb31c682af51ddd5385fc00fd0803433a6a5af44.

Conflicts:
	app/assets/javascripts/application.js
Revert "Datatable test and tell me!! - zj"

This reverts commit fb31c682af51ddd5385fc00fd0803433a6a5af44.

Conflicts:
	app/assets/javascripts/application.js