Add Julian Day to the date field.
Move Julian day outside of date text box.
Add some styles for julian day
Comment out 'on change' since it isn't working yet.
Clean up some css
Make event listener work for Julian day.
Move Julian day calculation into new function.
Merge branch 'GMP-321' of https://github.com/emcwhirter-usgs/geomag-baseline-calculator into emcwhirter-usgs-GMP-321
Change ceil to round
Add missing semicolon, change spans to divs for julian day
Remove julian day rules, add generic label/value classes to existing rules