Merge pull request #91 from jeff1evesque/js_html_form

#90: html_form.js, empty 'Supply Dataset' fieldset clears dependents
Merge pull request #94 from jeff1evesque/js_html_form

#92: Form - properly remove 'submit' form field
Merge pull request #95 from jeff1evesque/js_html_form

#93: html_form.js, replace 'else' statements with 'else if'
Merge branch 'master' into js_html_form
Merge branch 'master' of https://github.com/jeff1evesque/machine-learning into js_html_form
#96: html_form.js, input doesn't match datalist, remove dependents