ripple/rippled — pull request #579 by miguelportilla (2014-09-25 15:07:54+00:00)
Title: Optimize account_lines and account_offers (RIPD-587)

Optimize the resume functionality of the account_lines and account_offers commands:

* Add David's new optimized version of Ledger::VisitAccountItems
* Optimize doAccountLines to use new VisitAccountItems
* Optimize doAccountOffers to use new VisitAccountItems

@scottschur, @joelkatz at your convenience please.