TG: Moved a batch of unchecked and a few unused files into the unused folder.

Remember if your scrolling though the list and something is unchecked it should
almost certainly be checked.
Simple animals moved over to the actual mob code area and out of the defines. r2868

Also added a bunch of files I forgot.

code/WorkInProgress/organs/implants.dm

@@ -1,13 +0,0 @@
-/*------
-SPELL IMPLANTS
-	+ Most diverse effects
-	- Limited charges, failure rate
-
-CYBERNETIC IMPLANTS
-	+ Easiest to make
-	- Require power
-
-GRAFTS (includes basic human bodyparts)
-	+ Permanent effects
-	- Horrible side effects
-*/