[TYPO3-mvc] Determine Concrete Object Type

[Christian Kartnig]

> The objects I get back from the
> supertype repository are all instances of the supertype.
> So how do I get the concrete type from there?

Strangely enough, now that I started over generating the extension with 
extension builder, I get the concrete subtype when using get_class().
So it was easy to write a link viewhelper that fills in the right 
controller and arguments.

best regards,
Christian