Add point picker for consumed/actual points

This adds support for editing consumed/actual points in [square brackets] the same way as regular points.

![screen shot 2013-06-14 at 2 33 53 pm](https://f.cloud.github.com/assets/48019/656903/40d21638-d53a-11e2-8a42-49bfa8a3a28b.png)