Usage of the buttons in evaluation form multi and single selection edit controllers.

Don't close the edit panel if the user write and select a Latex formula,
a link or a special character

- Select resources from edu-sharing
- Use edu-sharing rendering service to display the resources
- Synchronize usage between OpenOLAT and edu-sharing
- Exchange configuration (metadata) between OpenOLAt and edu-sharing

Add exact status search in user search, change the "special" status in
the tables...

If the informations (size of file, max size allowed) is available,
validate first the size client side before making a validation on the
server.

Differentiate managed and user created event in the personal calendar,
reactivate the icons for this in themes after upgrade of fullcalendar
library, better placement of the help in the calendars configuration