Added ability to reset the storage (drop the db).
Added ability to reset the storage (drop the db).

bitfloor/bitcoinjs-server,zhangweis/node-jds,bankonme/bitcoinjs-server,javascriptit/bitcoinjs-server,javascriptit/bitcoinjs-server,javascriptit/bitcoinjs-server,bankonme/bitcoinjs-server,dazoe/bitcoinjs-server,dazoe/bitcoinjs-server,bankonme/bitcoinjs-server,zhangweis/node-jds,bitfloor/bitcoinjs-server,dazoe/bitcoinjs-server,zhangweis/node-jds