Assegnate 5 su 5 stelle

I love this extension - many thanks to the developer for all the hard work.

Just to note, Firefox 34.0 brought the following changes to the search engines tool:

https://blog.mozilla.org/ux/2014/11/find-it-faster/

To revert it back to the old style, set the browser.search.showOneOffButtons property to false and restart firefox.