Merge branch 'master' of github.com:TheDarklingWolf/Cataclysm-DDA into for-darklingwolf
Replace open-coded is_outside() with simple loop.
Add a FAQ for devs and an initial post explaining relationships between map classes.
Merge branch 'master' of github.com:TheDarklingWolf/Cataclysm-DDA into for-darklingwolf