Simple Admin view stats

### Story ###
- there isn't one, I did this for fun

### Notes ###
- added a hidden panel with a toggle button on the admin users view
- expanded the summary method to include totals and associated stats details

### Screenshots ###
- untoggled
  - ![screen shot 2014-07-22 at 3 33 39 pm](https://cloud.githubusercontent.com/assets/456952/3672893/22092574-1266-11e4-861d-f1daa70168c0.png)
- toggled
  - ![screen shot 2014-07-23 at 8 32 56 am](https://cloud.githubusercontent.com/assets/456952/3672894/2209a062-1266-11e4-8b26-60c698ce2794.png)