CleverRaven/Cataclysm-DDA — pull request #3100 by i2amroy (2013-09-18 08:07:46+00:00)
Title: Make bugs drop chitin on butchery

This reworks chitin from being dropped when a bug is killed to being an intrinsic thing (as determined by the new MF_CHITIN flag) that automatically creates an amount of chitin on butchery based on size using the same process as fur and leather.