OO-3489, OO-3492, OO-3493, OO-3494, OO-3496, OO-3497: infrastructure to export user data, export  portraits, notes, personal folder, calendars, subscriptions, delete calendars after usser deletion

OO-3299: refactor the user management search to view the organisations and to restrict searches for user manager which doesn't have root organisation permission

OO-3297, OO-3301: refactor security group management operations in its own DAO, implement isInOrganisation mfunction for course expert rules

OO-3297: refactor the user management to use organization for managing the roles instead of named security groups

OO-3055, OO-3047: implementation of taxonomy module with new site, full text search, webdav access, REST API...

OO-2837: add the possibility to lazy load tabs in the tabbed pane and use it for business group administration and user overview

OO-1408: add last modified date in efficiency statements list, add link to courses in user management, add coaching button in user management

OO-1254: more browser friendly links for download, can delete the certificates, format and orientation for template, inline efficiency statement in course...

OO-1000: remove the policy controller which doesn't show an accurate view of the rights of a person anymore (+ some unused stuffs)

OO-1068: split profile in two segments for the profile itself and the home page settings, add a preview, merge the profile and the portrait in the same controller

OO-744,OO-784: disable the co-author hidden feature, add a view of the roles in the user personal settings

OO-622,CL-225: remove username from GUI in place where is not really needed and students can see it. Mark others place with //TODO username where it need more works and/or the username is only visible by author/coach/admin... Additional fix the setup sql for MySQL (index too long).

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branch : bps