TimepillSpider Prototype @ 2013-03-24

Finished refactory database utils to JDBCPool and use common log method.
Revert "TimepillSpider Prototype @ 2013-03-24"

This reverts commit e383939f9cf6994035809251c890997e454a7679.
Revert "Revert "TimepillSpider Prototype @ 2013-03-24""

This reverts commit f379fa0c98504f3dd08637cc390d4fa68df07c12.