Upgrade project files

Signed-off-by: Stratos Karafotis <stratosk@semaphore.gr>
Added Hungarian translation

Signed-off-by: Stratos Karafotis <stratosk@semaphore.gr>
Update various translation files

Signed-off-by: Stratos Karafotis <stratosk@semaphore.gr>
4.1.1

Signed-off-by: Stratos Karafotis <stratosk@semaphore.gr>