Sample layout and coding XIV

1.Add condition that check whether member who prefered to borrow the
desired book can borrow or not.(Due to reservation by some member.) And
add condition in borrow to check whether the reservation is expired or
not(this will remove request list from database).
2.Add interaction when member return the book that requested by others
by add expired date to desired record by 3 days.
3.Fix request-table bug in member page.