Adds new menu option under the Cookie Toolbar (On Cookie Panel). This op...

Adds new menu option under the Cookie Toolbar (On Cookie Panel). This exports Cookies for the current site as a JSON array to the clipboard. Includes one automated test with .js and .php file.

![screen shot 2014-02-20 at 4 12 29 pm](https://f.cloud.github.com/assets/909567/2225388/02e06014-9a8d-11e3-9a9d-8df693d46962.png)