Low-cost accounting software vendor Xero made moves this week that reflect its rapid growth this year. The Wellington, New Zealand-based company says it has expanded into a third building in its home city where more than 250 of its more than 600 employees work. Xero is also looking to fill the new position of managing director for New Zealand. The expected new hire will also be a member of Xero's global sales team. In announcing the new position,