Update gettin IBAN registry
Update gettin IBAN registry

The format of the registry file has changed. Before it was a
straightforward CSV file with countries in rows but countries are now in
columns.

arthurdejong/python-stdnum,holvi/python-stdnum,arthurdejong/python-stdnum,holvi/python-stdnum,arthurdejong/python-stdnum,holvi/python-stdnum