#68: index.php, remove all form fieldsets, except 'Session Type'
#68: index.php, add reference to 'html_form_delegator.js'
#68: html_form.js, build 'fieldset_session_training', and 'fieldset_session_analysis'
#68: html_form.js, build 'Supply Dataset' outline
#68: html_form.js, properly build 'Supply Dataset'
#68: html_form.js, fix minor indentations
#68: html_form.js, properly add 'Training Type' fieldset
#68: html_form.js, properly group subfieldsets under 'Training Session' fieldset
#68: html_form.js, properly remove 'fieldset_model_parameters' fieldset
#68: html_form.js, add 'fieldset_known_factors', and 'fieldset_estimated_analysis'
Merge pull request #70 from jeff1evesque/js_html_form

#68: 'html_form.js' creates additional form elements