Added 2 missing German locale strings in strings.xml
Tweaked the label a little to match better what the code does
Update Italian translation
Fix Italian translation
Another fix for the Italian translation
Merge branch 'update_italian_translation' into translations

Fixes issue 5792
Merge pull request #346 from sfuhrm/fix-de-strings-xml

Update German translation
Update Swedish translation

Fixes issue 2172
Clean up translations
Rename string to better convey the meaning

notification_action_read -> notification_action_mark_as_read
Merge branch 'translations'