Patched human item armor

Patched the way item armor works.  There was an issue where it was tr…

…acking inv_ID and if something happened to the item while it was in inventory it would mess up.  I had to rewrite quite a bit of code, and ended up changing the entire structure for the human side of the armor code.  Still needs to be tested though!  I couldn't because the scene overlay for actions needs to be refactored heavily, after this is done test this patch.