app/assets/javascripts/admin/images.js.coffee
$(document).on 'submit', '.image-instance form', (event) ->
event.preventDefault()
$self = $(this)
$.ajax
url: '/admin/images/edit'
type: 'POST'
data: $(this).serialize()
dataType: 'json'
success: ->
$self.closest('table').fadeOut 600, ->
$self.remove()