New default theme based on the work of ndee and n-pigeon

![new_theme1](https://cloud.githubusercontent.com/assets/8785013/4326052/67ee2f1c-3f6b-11e4-8fe9-2b4461430681.png)
![new_theme2](https://cloud.githubusercontent.com/assets/8785013/4326053/69d1ab10-3f6b-11e4-9d32-5cede2846e76.png)
![new_theme3](https://cloud.githubusercontent.com/assets/8785013/4326054/6c0c23e2-3f6b-11e4-8d18-8f340066d018.png)