#244: ajax_data.js, add array index to '.prop(files)'
#244: ajax_data.js, define 'FormData' object
#244: ajax_data.js, remove 'Array'
#244: ajax_data.js, add back 'Array'
#244: ajax_data.js, add 'file upload' to 'form_data', then add to 'arr_data'
#244: ajax_data.js, move 'local variable'
#244: ajax_data.js, 'console.log()' php return value
Merge pull request #263 from jeff1evesque/js_ajax_data

#244: JS - Send 'file upload' from ajax to PHP