Experimenting with exposing user settings

- [ ] Ready for merge

Looking at exposing the user settings via UI rather than console interface.

I'm thinking this design isn't quite right, but it's a start.  

![http://d.pr/i/B5tn](http://d.pr/i/B5tn+)

Probably shouldn't be under the avatar, but in fact it's own icon - a cog.

@dannyhope, thoughts?