Change effective-date from dashboard UI

Allows user to change the end-date of the 1 year reporting period from any provider dashboard.
In addition to not using jQuery UI, we also shouldn't reference style sheets that we don't own, as we have no idea what it will do to our page, or if it will continue to exist. Furthermore, if this app is run on a secure server, modern browsers won't load insecure content, and this wouldn't work.