#246: dataset.php, add initial file
#246: dataset.php, remove typo line
Merge pull request #248 from jeff1evesque/php_dataset

#246: Create 'php/dataset.php'
Merge branch 'js_html_form_ajax' of https://github.com/jeff1evesque/machine-learning into js_html_form_ajax
#244: html_form_ajax.js, add 'console.log()' confirmations