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-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).

non-jira :   fix not-saved guipreferences bug.  add "don't ask again" checkbox to resumeController, fix wording in useradmin-> delete userproperties yesNo popup

--HG--
branch : bps