so that all default and validated sources can (potentially, eventually) be
shown in the configuration location widget
Signed-off-by: Ivailo Monev <xakepa10@gmail.com>
because different applets use data that is provided by different ion, for
example wettercom provides forecast while noaa provides wind conditions.
on a side note noaa uses mostly station names rather than city names so
expect applects that default to noaa ion to require configuration by
default in most cases
Signed-off-by: Ivailo Monev <xakepa10@gmail.com>