 ------------ version 2.04 

20190217 [r13611] replace speckedit by tinyMCE (OB)
--------------------- Version 2.03

20180625 [r13062] error message when wims_class=empty + bugfix create bad motd directory (FG)
20180330 [r12449] use of tablesort (FG)
20170117 [r11141] bugfix with formcheck when more than 256 participants in a class (FG)
20160628 [r10462] varfilter interface dsiplay only if one technical variable exists (FG)
20160409 [r9988] use new technical variable (FG)
20160215 [r9927] use common varfilter file (FG)
20150926 [r9546] varfilter is saving in the session for all module (FG)
--------------------- Version 2.02

20150525 varfilter can be used in all actions on a list of participant (FG)
20150525 add checkbox all to slect all participant in one click (FG)
20150523 bugfix when listuser=$empty (FG)
20150522 job=write can make action on a list of participant (FG)
20150521 job=reactivate,delete,modif can make action on a list of participant (FG)
20150521 can select multiple participant in list (FG)
20150521 reduce access to file data (FG)
--------------------- Version 2.01

20140921: add filter (bpr)
20130916: correct html - fix bug in motdold (bpr)
20120617 adapt to new script adm/whoconnect (FG)
20120609 Add : Alert message can be send to user connected by supervisor (FG)
20120406 Add : supervisor can see if participants are connected (FG)
2010-02 : Version 2.00
  This module replaces several previously existing language dependent modules adm/class/motd.xx
  of Gang Xiao. It has been constructed by localization of these modules, keeping a single
  computation core and adding dictionaries.

 -----------------------  version 1.14
20090611 job=reactivate : permet au superviseur de réactiver un message caché par le participant.
20090611 job=hide permet au participant de cacher son message personnel
-----------------------  version 1.13
20090204 modifier le message du jour de plusieurs élèves en même temps.
20090204 beugfix : modification du message du jour après avoir modifié le message d'un élève.
-----------------------  version 1.12
20081125 ajout de la possibilité d'écrire un message personnalisé en fonction du participant (Fabrice Guerimand)
-----------------------  version 1.10
