Add print dashboard

Scott has requested a print dashboard print simplify printing MARs. It should have a button for:
1. Printing all MARs
2. Printing specific MARs by location
3. Printing MARS to some other printer

A mockup of the interface can be found below..

![screen shot 2013-10-01 at 3 25 39 pm](https://f.cloud.github.com/assets/8027/1248980/ea62bbf6-2ad7-11e3-9c6c-c70a713a7b66.png)