Calculator: Bring back the link for the result.

Clicking on the result should show the result as a clickable link that will replace the query. (This is how it used to work before.)

![screen shot 2014-06-16 at 3 37 27 pm](https://cloud.githubusercontent.com/assets/81969/3292386/c4495e0c-f58e-11e3-8c3b-b9a08afc3a98.png)

http://gfycat.com/UnacceptableSharpBluebreastedkookaburra

Works on IE 8