Coach reports for monthly unit tests

Not beautiful, but appears to work, and includes one test

![selection_012](https://cloud.githubusercontent.com/assets/1319950/3335507/17a2f584-f816-11e3-982e-ddaa5fbef913.png)

![selection_013](https://cloud.githubusercontent.com/assets/1319950/3335508/1a8034c4-f816-11e3-8555-95a24394a488.png)

![selection_014](https://cloud.githubusercontent.com/assets/1319950/3335509/1d7de57c-f816-11e3-950a-c7a1bc7802e7.png)

Aron's edit: addresses #1657 

basically I could have just done a list comprehension, but I knew that the test log would be unique, because (please confirm this) a user can only take a test once -- correct? 

So instead of creating a list of all the test log objects, because I knew there would either be 1 or none, I thought this would be a shortcut. LMK if there's a cleaner way to do this.. it didn't feel pretty when I wrote it.