Bk your feed

![your_feed_updated](https://cloud.githubusercontent.com/assets/1451471/3247188/08df7602-f182-11e3-86b8-02d89fc7ea27.gif)
I removed `constructor` func (https://github.com/lonelyplanet/rizzo/commit/e52742d0af15f6a0e98272877c5c3ded202e830b), but @archasek said there might be problem with mocking it up in tests now. 
Any thoughts @remybach, @Ianfeather?