Deleting redirect documentation/ Adding dynamically generated examples 

Deleted lengthly documentation from Admin/Redirect page, and replaced with a dynamically updated field showing the redirect outcome.
![screen shot 2014-10-20 at 12 15 35 pm](https://cloud.githubusercontent.com/assets/5241140/4707459/dd80ad78-588d-11e4-92ab-d1d96af71d58.png)

I am not really sure how this is different from what I am doing in the original code with var "from" and "to".