rearrange brief view and preview

Updates list view and closes #816 

![screen shot 2014-09-02 at 11 13 45 am](https://cloud.githubusercontent.com/assets/1656824/4123568/728a7bb8-32cf-11e4-8438-fe35e55a8ca4.png)
![screen shot 2014-09-02 at 11 13 53 am](https://cloud.githubusercontent.com/assets/1656824/4123570/77c4ab44-32cf-11e4-9db0-d316d0c3d55a.png)
![screen shot 2014-09-02 at 11 32 34 am](https://cloud.githubusercontent.com/assets/1656824/4123589/97694efa-32cf-11e4-8187-c0617dcee76e.png)

I'm a little suspicious of these couple of lines.

I think what we want is to display "(no call number)" when there no items (so the items array would not be present) and there is an MHLD.  I think we could probably clean this up a bit.