update strings
updated to 4.12.23
updated to 4.12.23
updated to 4.12.23
updated to 4.12.23
improved translation
deleted
updated to 4.12.23
Revert "updated to 4.12.23"

This reverts commit b428825e9c3af546a60f304c66fe5030145dc5dd.
updated to 4.12.23
Merge pull request #48 from dnomikos/master

updates, corrections & translation improvement