Yet another custom theme

I'm surprised there aren't more themes in here already, I figured a request for themes would result in an avalanche of responses.

This theme is an aggregate of ideas from many bash and zsh themes. Its main goal is to be simple and readable, and in doing so it includes some features that others might find useful for their own themes, such as right-aligned text output, scary colours for superusers and failed commands, and backgrounded job reporting.

Example:
![screen shot 2013-05-01 at 1 08 39](https://f.cloud.github.com/assets/544011/448198/d8bccb22-b236-11e2-9f98-86abd2ed4e9c.png)