always use the current (or soon-to-be-current) hebrew year for fridge times
add St. John's, Newfoundland, Canada.
add Canadian province names.
remove reference to sourceforge
remove a bunch of old links
minor refactor of readings_for_current_year to use two nested for loops
further refactor to prep for holidays in csv
move holiday csv and db into calc_triennial.pl
remove accidentally-commited tmpfiles