Merge pull request #62 from jeff1evesque/form_add_fields

#51: index.php, Add 'Training Type' datalist
Merge pull request #63 from jeff1evesque/form_add_fields

#57: index.php, add 'Dataset Type' datalist
Merge pull request #64 from jeff1evesque/form_add_fields

#52: Form - Add 'Analysis Model' datalist
#65: index.php, add unique classnames for each fieldset