Delete unused resource strings

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

thanks to alen1901

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

thanks to Arju007

Signed-off-by: Stratos Karafotis <stratosk@semaphore.gr>
Code improvements and clean up

Signed-off-by: Stratos Karafotis <stratosk@semaphore.gr>
Delete unused files
Fix XML formatting

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