Separate Settings into Profile and Settings, update Welcome screen

![device-2014-03-03-160658](https://f.cloud.github.com/assets/2215601/2314513/e087a46c-a317-11e3-8a55-6a33c2695aad.png)
![device-2014-03-03-160736](https://f.cloud.github.com/assets/2215601/2314514/e0916934-a317-11e3-8bfb-0c08d77a3d78.png)