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.

To retrieve the min. score, max. score and the cut value, double check
if the resource is really based on QtiWorks otherwise fallback to the
old configuration. Fix an issue in statistics where the max. score and
cut value are retrieve from the wrong place. Cache the min. score and
max. score in the results list of the course assessed identities to
prevent reloading the values for every user.

OO-3019: import QTI 2.1 assessment test as QtiWorks one and mark them as QtiWorks in the test and sel test course elements

OO-3019: import QTI 2.1 assessment test as QtWorks one in self test course element like in test element

OO-2897: implement last modification per user role (as participant or as coach), aggregate the values on structure nodes

OO-2790: add the options to upload assessment documents on a per course element / user base which behave like the user comment

OO-2532: rework how the settings are displayed in QTI 2.1 resource, Test course element and for the assessment test, test part and section in a QTI 2.1 test

OO-1799: don't remove the reference of Test, Survey, Selt-test, CP and SCORM during the copy of a course element within the course

OO-1761: more fix to the copy of course element within a course, copy or import of a course with a project broker element

OO-1732: take the number of user properties to render the first row of headers in the test archive file

no-jira: remove the QTI 21 course element and enhance the IQTestCourseNode to handle QTI 1.2, 2.1 and Onyx

OO-1152: implemented export/importNode methods to add the project data to the exportprocess of the projectbroker

OO-990: rework importation of course node with references, implement autowiring capabilities in controllers