Merge pull request #749 from jeff1evesque/js_html_form

#740: Adjust minor typos
#756: sample.csv, add file
Merge pull request #758 from jeff1evesque/csv_sample

#756: sample.csv, add file
#756: sample.csv, minor adjustment in column heading
Merge pull request #759 from jeff1evesque/csv_sample

#756: sample.csv, minor adjustment in column heading
#757: sample-1.csv, add file
Merge pull request #760 from jeff1evesque/csv_sample_1

Add 'sample-1.csv' to the 'test/' subdirectory
#757: sample-1.css, add semi-duplicated records
#757: sample-1.css, fix typo
Merge pull request #761 from jeff1evesque/csv_sample_1

#757: add additional duplicated records to 'sample-1.csv'
#755: html_form.js, remove generated HTML elements associated with indep vars