Action/profile refactoring

[Tom Zeller]

> Initial refactor is done. Once I see what tests are still failing I'll fix
> those and then work on some documentation about how this is meant to be
> organized.

Looks like all tests are passing, yay.

> I think we want to convert [@Event annotations] to javadoc taglets

Okay.

> A consequence of the refactoring is eliminating a lot of null parameters
> in the unit test doExecute calls, which is a good sign IMHO that the
> interface wasn't where it should be.

Agreed.

Will the IdPv3 AbstractProfileAction extend the OpenSAML AbstractProfileAction ?