Feature/check points page

* Limit transactions on `/checkPoints` to those for the current user, order by `transactionDate` descending
* Add a non-functional "Dispute" button

![screen shot 2014-05-31 at 2 24 57 pm](https://cloud.githubusercontent.com/assets/342964/3139798/e46a7766-e8f0-11e3-8906-e41ace737269.png)