OO-1443: upgrade JUnit ( long overdue ), remove deprecated junit.* packages, fix some issues with order dependent tests, fix an issue with empty ClusterDoInSync

OO-1228: reduce sleep time in unit tests, update undertow, remove some translator error in course wizard, make that the unit tests for the identity power search really test and fail if something goes wrong...

OO-1180: hardened some methods from kalendarEvent against null end date, build a better test suite for calendar which check the real begin and end and clear the cache to check the persisted .ics files

OO-1179: set the defined end date (and not the current date) as end date of the event, add a unit test which check the data of the calendar

OO-985: implements the view to retrieve the course and associated data of a user, filter and order by, clean up the code

no-jira: fix the error in perf500 test in PropertyTest, remove reference to log4j logger in tests, remove duplicate closeSession in @after

OO-538: unify our implementation to retrieve entity managers with spring, remove wrapper classes to acesss directly transaction and entity manager, don't cache them anymore in our code, @Transactional fully functional, add some sleep in unit tests to wait from the new asynchronous multi user events

Merge: fix the unit LockTest and make easier to find a spring configuration error with it, update arquillian deployer

Merge: fix the unit tests, remove mocked startup of OpenOLAT for the last 2 unit tests which need it, fix mysql index which are too long in setupDatabase.sql

OO-386: remove the async executor of the repository manager and replace it with a evict from cache, select for update, merge process

FXOLAT-309: reactivate the calendar tests, make the test of repository manager more reliable, add more close hibernate session in the different threads which are create in unit tests

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branch : bps