update ordering rules and treeview

1.  Send reminder mail to the order appprover after the order is
requested.
2. Send mail of orders statistical annually report to the order
administrator.
3. Send mail of orders statistical monthly report to the order
administrator, update orders and people pages and tables.
4. use jquery ajax treeview instead of recursive approach in lab map and
kbase pages.
5. fix an errir in suggest.class.php.