Add new analyzer "Rainbow Dash"

As requested in SuperUltraCriticalShowstopper request #2685
I have built an analyzer based on Rainbow Dash
...oh god, what have I done...

This will either make some people happy, or is absolute garbage.
Totally your call.

![screenshot from 2014-05-21 210616](https://cloud.githubusercontent.com/assets/4623333/3055187/e49a84a8-e1be-11e3-9844-9a0af53a84f2.png)
![screenshot from 2014-05-21 210631](https://cloud.githubusercontent.com/assets/4623333/3055190/e78f29ac-e1be-11e3-8b35-35afad9d2f05.png)