bug #4014 :  Fix the bugs in the groups cache management and externalize it into a dedicated object. The selection of all groups is also rewritten as they can be not all yet loaded
bug #4014 :  Fix the bugs in the groups cache management and externalize it into a dedicated object. The selection of all groups is also rewritten as they can be not all yet loaded

auroreallibe/Silverpeas-Core,ebonnet/Silverpeas-Core,SilverDav/Silverpeas-Core,Silverpeas/Silverpeas-Core,CecileBONIN/Silverpeas-Core,SilverTeamWork/Silverpeas-Core,SilverYoCha/Silverpeas-Core,SilverDav/Silverpeas-Core,CecileBONIN/Silverpeas-Core,ebonnet/Silverpeas-Core,Silverpeas/Silverpeas-Core,ebonnet/Silverpeas-Core,SilverYoCha/Silverpeas-Core,Silverpeas/Silverpeas-Core,CecileBONIN/Silverpeas-Core,ebonnet/Silverpeas-Core,SilverTeamWork/Silverpeas-Core,mmoqui/Silverpeas-Core,CecileBONIN/Silverpeas-Core,mmoqui/Silverpeas-Core,CecileBONIN/Silverpeas-Core,SilverDav/Silverpeas-Core,ebonnet/Silverpeas-Core,SilverYoCha/Silverpeas-Core,ebonnet/Silverpeas-Core,SilverTeamWork/Silverpeas-Core,auroreallibe/Silverpeas-Core,mmoqui/Silverpeas-Core,auroreallibe/Silverpeas-Core