Fix DHT key verification
JK actually fix DHT checking
Spruce up group management
Merge pull request #18 from Astonex/master

Sync with main project
Merge pull request #19 from Ansa89/master

Sync with main project
Italian translation: update

Sync'ed with Astonex/Antox@57cfaf0df040c0505c47d30b92a22bd8b3ab6d26
Update Polish translation
Merge branch 'Proplex-master'
Merge branch 'Ansa89-italian-translation'
Merge branch 'zetok-translation'
Merge remote-tracking branch 'upstream/master'