Add replacement icon

![](https://github.com/jasonm23/Phoenix/raw/98c10a230edece41b26c110dc8a431f19078ba11/Phoenix/statusitem%402x.png?raw=true)

Suggested icon design, hereby released under CCA (creative commons attribution)

In place on status item:
![screen shot 2014-06-14 at 4 44 40 pm](https://cloud.githubusercontent.com/assets/71587/3278005/350c1f1c-f3a0-11e3-93e8-c3ecd4f1b196.png)