Issue 1999 The five least-followed users in your network.

Defined here: https://github.com/ginatrapani/ThinkUp/issues/1999

![screenshot from 2014-08-17 20 53 38](https://cloud.githubusercontent.com/assets/4369596/3945558/387ad348-2648-11e4-9606-2ac07af7d24f.png)