OO-1876: don't break the recursion for the project broker course element, don't take it as assessable, but takes its children elements

OO-1744: queue the changes to the assessed identities list and make the changes with set instead of add/remove to hardened the list against changes coming from the user events and from JMS event

OO-1615: springuifie mail package, rest package, question pool module... remove unused dependencies...

OO-1536: inline the user's visiting card in the different member list, add a tool in the list as in author list, add close button for the visinting card (if opened in the main window), add close button to the business groups tabs

OO-1254: implements email, recertification, confirmation for new certification before recertification period, assessment tool without assessable course elements...

OO-1254: first push! implement management for the template at system level, generation of certificate, notifications, certification in assessment tool, auto certification, course configuration (no recertification at this time! )

OO-984: fix edit of glossary, reselect of segment click, fix image upload after save in repository entry description, remove next/previous link in CP if in a course...

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-852: implements the new bulk assessment wizard, move the task executor and scheduler in the services package

OO-645: only one identifier for the assessment tool's tables, show first name and last name as default

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

OO-530: replace HashMap with ConcurrentHashMap in some critical places where multi threading is an issue

OO-433,OO-441: optimize data retrieval, save default values of properties which doesn't exist, check if the table controller is not disposed after loading start the data