Adds unique meat types for throwing mutant races in the gibber
They can still be used in any recipe human meat/meat will do for
Eating fly/slime meat isn't a good idea
Recipes for mutant meats could come later

File this under "stuff I wanted to do a year ago but couldn't because mutantraces were so trash but now its not so why the fuck not"
Merge pull request #4445 from Incoming5643/meetthemeat

Adds unique meat types for throwing mutant races in the gibber