It should also be possible to sort by the column, ascending or
descending. This also necessitated adding playlist row refreshing
for play count updates.
Signed-off-by: Christopher Snowhill <kode54@gmail.com>
These column header names were missing from the strings
tables. Add them based on existing translations of the same
field names by our translators.
Signed-off-by: Christopher Snowhill <kode54@gmail.com>