WL-3576 : Add email sent confirmation message to feedback tool

This is only for logged in users.

For the Content Report, I'm grabbing the siteUpdater in the js and showing it in a box at the top.
For the Technical Report, same thing except that the email address is normally got in Java after the submission so I'm using the same logic before to put it in the request before getting it out again in the js afterwards.
WL-3566 : Indentation
WL-3566 : Should be doing the fit frame after changing the html
WL-3566 : move click attaching to on page load rather than every method call
WL-3566 : Add if-else logic to which email recipient to show
Merge pull request #25 from ox-it/WL-3566

WL-3566 : Add email sent confirmation message to feedback tool