Added file ticket.html
Modified dropslip.html
Added seperate input fields for formatted start and end times
Removed year from formatted dates
Changed date parsing to assume yesterday if no date and time is later than five minutes from now
Changed calc routine to assume previous year if start date and time is later than end date and time
Changed calc routine to display "GP" (for Grace Period) if time difference is 65 minutes or less
Added index.html and style.css
modified html, css, and javascript in all files
Added subInt function to ticket.html
Added key events to ticket.html