Needs Review - Proposed Thunar Icon 

![thunar-alt](https://f.cloud.github.com/assets/470526/2519339/13594c38-b470-11e3-9e0a-c1aa6741fc55.png)

Proposing this Thunar Icon since the Hammer doesn't really work.
In case you're wondering whats the shape, it's the emblem that can be found on the Hammer of the original Icon.