Germany's Glossary updated

I've added some additional words / phrases to the German glossary.

Japan's History, Glossary, and Radios added/updated

I've added a ton of historical information. I've added a few new items to the glossary and added a new page for vehicle radios.

Japan's Military Glossary added

I've added a glossary, primarily of Imperial Japanese Navy terms. If anyone has additional phrases I'd be happy to add them.