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)

it's similar, except i would suggest passing the values into a function that builds the result and sets `#dynamic-redirect`. currently, this is bit is repeated several times