Redirection on the popup

[nobe4]

We need to be able to redirect the main page based on a link on the popup.

The use-case is the following :
I have a main page M with a link L
When I click on the link the popup P shows
In P there is a redirect link R
When I click on R the popup close and M gets redirected on another url

Issue posted on https://github.com/Toddish/Popup