Add star on attachments

![selection_463](https://cloud.githubusercontent.com/assets/546692/4734952/426755f0-59da-11e4-8ce4-5654c7b1b925.png)

![selection_464](https://cloud.githubusercontent.com/assets/546692/4734951/4248ec8c-59da-11e4-843e-4a8fafadb148.png)