Robots will now take burn damage from appropriate projectiles, rather than recieving brute.
Fixes #3741
Fixes #4495.
Fixes #4421
Fixes #4534
Merge branch 'master' of https://github.com/Baystation12/Baystation12
Replacement dionaea sprites intended to be pushed a long while back.
Merge pull request #4913 from Zuhayr/master

Changeling, nymph and robot fixes.