Show Dates in the Reports Table

I just added an extra column. Hopefully this doesn't cause issues on mobile, but we should probably test it there before merging this.

![screen shot 2014-08-13 at 11 39 21 am](https://cloud.githubusercontent.com/assets/320910/3900339/bceea152-228a-11e4-871f-35f8286ea0f2.png)