Added O 8-class submarines to the Ships in service.

Added O 7-class submarines to the Ships in service.

Website now available via HTTPS. Let me know if there are any problems.

Rewrote page for Z 3.

Rewrote Z 5-class torpedoboats. Z 3 is to follow soon.

Added O 21-class submarines to the Ships in service.

Fixed links to the Forums and other pages.