ripple/ripple-client — pull request #1530 by orzFly (2014-09-22 06:28:12+00:00)
Title: [FIX] Make empty contacts invalid (RT-2295)

[RT-2295](https://ripplelabs.atlassian.net/browse/RT-2295)

Just make them invalid so it will have no bad effects on all flows any longer.