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-1593: return more informations on score evalutation, add a specific persistent assessable course node, fix selenium tests and unit tests

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-1417: inline the details of the QTI results file in the assessment tool to make it print friendly

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

OO-911, OO-912: implements the course node triggered buttons in assessment tool, implement bulk upload for tasks with selection of a group if needed

OO-613: unify Onyx QTI 2.1 tools with the OLAT QTI 1.2 tools to remove duplicate code, change the WebService stack for Onyx

--HG--
branch : bps