Add 'schemes/Night Owl.tmTheme'

Glad to have stumbled upon Fountainhead today. Already fixes some minor annoyances and adds some nifty features. 

Updated my theme to work with it. Preview image below.

![night owl](https://cloud.githubusercontent.com/assets/463305/5422625/4451b4c0-825a-11e4-802a-def4cca1ba1d.jpg)