Feature and About Page Administration.

Add support for updating all titles of both Feature and About pages.

Add drag-and-drop ordering for both Feature and About pages.

Add display sidebar checkbox to Feature pages admin (only storing for now).

![screen shot 2014-02-03 at 10 32 44 pm](https://f.cloud.github.com/assets/96776/2073849/e85f31d6-8d6a-11e3-8f37-e2d92797d69e.png)

![screen shot 2014-02-03 at 10 33 41 pm](https://f.cloud.github.com/assets/96776/2073850/eb8a19d4-8d6a-11e3-80ed-89fd8e1ff10f.png)