Facelift for Interval classification - point

Following up on #456. It's not perfect, but it's a step in the right direction.

#### Before
![old](https://f.cloud.github.com/assets/2470768/722709/f5b45472-e006-11e2-8cae-0ebd83d67cd6.png)

#### After
![new](https://f.cloud.github.com/assets/2470768/722704/b69a0746-e006-11e2-97b4-227058345e65.png)