Update strings.xml

Who else is working on the Norwegian translation? I wasn't very active the last weeks, and there seem to be two additional translators now. Can I lean back and enjoy Norwegian translations in the future, or is more work from my side requested?
Update strings.xml
Update strings.xml
Update Catalan translation
Merge pull request #561 from danielmmmm/master

Updated Norwegian translation
Merge pull request #563 from bkazoo/patch-12

Update Catalan translation
Updated changelog
Merge branch 'master' of https://github.com/M66B/XPrivacy
Updated Czech translation