OO-2967: refactor the list of assessed identities in assessment tools to be delivered by the resource or the course element them self

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-1593: implements several strategies for the state "failed", implements done in assessment tool, checklist and group task...

OO-1808: show a message if the course element cannot deliver a view after an author published the course

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

OO-770: work on status for portfolio, group task (indivudal variant), refactor the map of course node per identity...

OO-848: extended postCopy() method with source and target Course to get the copy of a whole course working

OO-848: enhance the interface of course nodes to do a post copy processing different from the import one

OO-1308: standard alignment for password, fix small placement issue of multi-columns vertical checkbox

OO-619: for compatibility, set the delivery options for old single page, structure node and CP to use the glossary

OO-619: more options for single page, SCORM, CP and structure node. Options are the same with the same GUI all over the place

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branch : bps