[CR] We are the Mycus

Should be one or two more nights, and our fungal folks can reap their just rewards.  Let me know what you think!
Just wanna point out the updates here:
smokers fungalize to fungal boomers (gasbag and boomer already did)
Necro, Master are full of Goo and can resist make_fungus attacks altogether
Firefighter and hazmat zeds have enough Personal Protective Equipment that most spores get slowed or blocked, so the Goo can fight off make_fungus
And as of this PR, every other zed in the game will get fungal-zombie'd.