pt "Português" translation #1969. Author: Thiago. I found some mistakes and inconsistencies.
ar "العربية" translation #1970. Author: Abdo.
ca "Català" translation #1971. Author: valance.
ca "Català" translation #1972. Author: Eric. Encara no hi han missatges nous -> No new messages yet. Literal translation of the original text sounds strange. ha creat l'equip -> Has created the team. Participle sounds better in catalan. Persona -> Person sounds better in that context. T'està seguint -> Is following you
tr "Türkçe" translation #1974. Author: Anonymous.
add translation key
prevent duplicated usernames in friend box
ensure friend box resynchronisation
better offline notification
let the client request friend resynchronization