Made transactor alert inventory changes

Eliminates some client-server sync issues (given that the TE alerts server).
Also enables things like Factorization Barrels to update their item count.

common/buildcraft/core/inventory/TransactorSimple.java

@@ -26,7 +26,7 @@ public class TransactorSimple extends Transactor {
 		while ((slot = getEmptySlot(orientation)) >= 0 && injected < stack.stackSize) {
 			injected += addToSlot(slot, stack, injected, doAdd);
 		}
-
+		inventory.onInventoryChanged();
 		return injected;
 	}