OO-1593: fix diverse issues in assessment tool and QTI 2.1, wording, selenium tests use the new assessment tool

OO-1859: fix controller disposed if someone in member management of course selects a group and close the group with the red cross

OO-1645: propagate the business rules for private event on home calendar and calendar tool of the course

OO-1616: refresh the repository entry for access panel, refresh the entry cached in course too, fix reload in a course element (critical for tests), fix unit tests for i18n, fix named query whicxh filter member ships

OO-1616: reduce the number of double call to the repository entry with the manager and after with the course

OO-1635,OO-722: refactor the ajax by iframe to use XHR, push the current business path to the browser via HTML5 push state, implements back button support via HTML5 History API...

OO-1647: remove auto-subscribe of course calendar, list of course which the user is member of and which have a calendar ( as configuration or as course element)

OO-1562,OO-1563: add a member management right to the list of course rights and restricts the access to the function of the course members management in function of the administration/group/member rights

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-1424: remove subscriptions if a member is removed from a group or a course, or a group is removed from the relations to a course

OO-1366: close resource remove the groups participants or remove the resource from the groups, remove the participants and coaches of the repository entry, make some log statements...