Glaciers 15/16 season

canada done.
cleaned erroneous dataset_code in can-data.
anna sent renewed files. contain excess (legacy data). trim files (sort by date, match first dupe record, erase legacy).

taylor done, with errors.
adams and canada postponed
done with howard -- some error, and Q.
now at commonwealth (done with 1 error, some Q)
Anna submitted data, have to trimm earlier seasons. OK multi-excell sheets.