js: implement approve/dispute front-end
js: implement approve/dispute front-end

When the button is clicked, send approve or dispute
REST call and update the administrator's page view.

Signed-off-by: Ilija Hadzic <47a09d4a4430975766160361f65fc72633be50b6@gmail.com>

ihadzic/jim,ihadzic/jim,ihadzic/jim