Add link to delete web sites - PR for 3.x-make.

PR for #2371 against the make file.

I think we can close the PR #2377 because it's nor relevant
![1955108](https://f.cloud.github.com/assets/1222368/379534/7b55b292-a5a1-11e2-8455-4d1d1c573e0d.png)
 any more.