Starting to prepare the required data to send it to the frontend. Validating it by using a second index view.
More data transformations.
Added some more transformations.
Nested items are hard to handle.
Merge pull request #729 from NicoleRauch/master

Some experiments to provide raw JSON data for the dashboard
transforming mails as well to keep the payload smaller.
Member-Nickname in mail is optional.
DisplayedSenderName is optional as well...
Trying some console logging on the stubborn mail object...
Found out why the transformation does not work - responses contains an array of mails...