Chemistry/Cooking pack. Attempt 2.

1. Fixed elf-a mutagen name. (Actually I'm unsure if "elf-a" or "elfa" is correct.)
2. Dried tainted meat + recipe.
3. Dried tainted veggy + recipe.
4. Simple recipes with human flesh are now learned automatically.
5. Tainted meat recipe.
6. Added canned clams as a component in cephalopod mutagen.
7. Added possibility to use IV purifier in alpha mutagen recipe.
8. Blob glob from tainted meat recipe.
9. Soap recipe.
Missed a bracket here.  I fixed it, but check your stuff next time.