Makes DNA swapping methods more reliable

- Makes heads keep hair on removal
- Amputated limbs from a DNA-injected individual now will keep their
  appearance of the DNA-injected person
- Wounds will now vanish on their own now
- Admins now have an "incarnate" option on the player panel when viewing
  ghosts for quick player instantiation
- Fixes a runtime regarding failing a limb reconnection surgery
- Copying a client's preferences now overrides the previous mob's DNA

code/datums/datumvars.dm

@@ -219,9 +219,6 @@
 
 	body += "<td width='50%'><div align='center'><a href='?_src_=vars;datumrefresh=\ref[D]'>Refresh</a>"
 
-	//if(ismob(D))
-	//	body += "<br><a href='?_src_=vars;mob_player_panel=\ref[D]'>Show player panel</a></div></td></tr></table></div><hr>"
-
 	body += {"	<form>
 				<select name="file" size="1"
 				onchange="loadPage(this.form.elements\[0\])"