Updated translation: Italian by lfanfoni, floccs
Updated translation: Polish by elisa
Merge branch 'master' of github.com:LimeSurvey/LimeSurvey
Updated translation: Danish by robin_sharp
Updated translation: German by c_schmitz
Updated translation: Spanish (Spain) by larjona, valdomir, jaimealvarezv
Updated translation: Finnish by tigger
Updated translation: Latvian by vipgroup
Updated translation: Russian by vipgroup