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-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-990: remove ControllerFactory, RepositoryEntryContext ( must be CourseSiteContext in every case), allow opening an editor by REST URL...

OO-948: make the ContextEntryControllerCreator cloneable, a cloned creator can save request dependent informations between the calls of the different method to prevent multiple loading of the same resource, calculate severals time the permissions...

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-111: update business path in e-portfolio, improve back suppport, reenable full text search with jump to the right menu item in home, enable jump from notifications to the right menu item in home... refactor slightly the ContextEntry to enable rewrite of the business path before the jump

--HG--
branch : bps