fix error with postgresql
* postgresql stores foreign key names in lower case by default, so the precondition was erroneously passing
* check for the presence of a primary key instead
Merge pull request #401 from MageFroh/pg-fix

fix error with postgresql
fontawesome upgrade
button to mark all entries up to there
new label
actually use the function argument
small padding at the end of the list in list mode
swagger fix
delete relationships before deleting the feed reference
use i18n (#237)
display link to feed source (fix #355)
new label
Remove whitespace inside link + fa translating
Merge pull request #402 from ebraminio/master

Remove whitespace inside link + fa translating
allow keyboard shortcuts when keep unread checkbox is focused (fix #198)
interface for deleting duplicates
Translated new labels to Swedish
remove extra comma
Merge pull request #403 from LpSamuelm/patch-13

Translated new labels to Swedish
actually add the feeds to the list