organization, implement segment view for user visit card to better
inline in user management, implements several features for all roles
(allow enrollment, mandatory confirmation email by enrollment, allow
autocomplete, bulk changes...), add roles like lecture manager, quality
manager..., enhance the roles editor in user management

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-3332: the main calendar is always visible in its context (course calendar always visible in its course, same for group, user and home)

OO-1645,OO-1595: refactor the personal configuration of calendars, the datamodel of imported calendars, make the description visible and editable...

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-1541: select the user in the username column and the the next 2, action column now opens the visiting card, fix some wording issues

OO-1124: don't fix the width of disabled rich text and align it, better contrast of disabled primary button, simplify DOM tree of the contact form...

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).

OO-336: show title of HTML, PDF, Word and Powerpoint if they exist, make repository entry context consistent, make course node consistent

OO-52 remove undesired elements from users visiting card for invited users and never show users login name (privacy)

--HG--
branch : bps