... instead of the completion and status of the current run.

The NodeEvaluation makes it difficult to use a course node in the
learning path access concept. So it is refactored to a minimum extent,
so that it can covering the previous functionality.
As a replacement a new security callback and a new tree node type is
introduced.

New concept to wire the course node edit controllers.
Applied to single page course node.

Users have to select the configuration when creating a new course.