iOS 7 tint color changes

I changed the navigation bar background colour to orange and the tint to white.

Then I removed the shadow on the article divider.

I think it looks nicer. What do you think?

![screenshot 2013 11 10 13 18 13](https://f.cloud.github.com/assets/136101/1507806/ef7cb7f4-49ae-11e3-9282-9563ae1402bb.png)