Altered functionality of detective scanner.

Fixed that damn book cluster spawning.
Secure doors can now be opened by hitting them with yer hand
Cleaned up surgery tools
People now lie down and stand properly.
For Cajoes: Cleanbot is more robust, and cleans up kitchen messes, now.

code/modules/DetectiveWork/detective_work.dm

@@ -92,13 +92,16 @@ obj/machinery/computer/forensic_scanning
 		scan_data = ""
 		scan_name = ""
 		scan_process = 0
+		booked = 0
 
 	req_access = list(access_forensics_lockers)
 
 
 	New()
 		..()
-		new /obj/item/weapon/book/manual/detective(get_turf(src))
+		if(!booked)
+			new /obj/item/weapon/book/manual/detective(get_turf(src))
+			booked = 1
 		return