Hide GPS status notification when no app is requesting updates

Signed-off-by: mvglasow <michael -at- vonglasow.com>
Separate notification when GPS active but no fix, redesigned status icons

Signed-off-by: mvglasow <michael -at- vonglasow.com>
Separate preferences for GPS status notifications

Signed-off-by: mvglasow <michael -at- vonglasow.com>
Translation for new strings

Signed-off-by: mvglasow <michael -at- vonglasow.com>
Language update ES

Signed-off-by: mvglasow <michael -at- vonglasow.com>