Update the properties refering the version of Silverpeas to 5.15-SNAPSHOT
Update the properties refering the version of Silverpeas to 5.15-SNAPSHOT

Silverpeas/Silverpeas-Components,SilverTeamWork/Silverpeas-Components,ebonnet/Silverpeas-Components,ebonnet/Silverpeas-Components,auroreallibe/Silverpeas-Components,CecileBONIN/Silverpeas-Components,CecileBONIN/Silverpeas-Components,SilverTeamWork/Silverpeas-Components,mmoqui/Silverpeas-Components,SilverYoCha/Silverpeas-Components,ebonnet/Silverpeas-Components,ebonnet/Silverpeas-Components,ebonnet/Silverpeas-Components,mmoqui/Silverpeas-Components,SilverTeamWork/Silverpeas-Components,ebonnet/Silverpeas-Components,auroreallibe/Silverpeas-Components,Silverpeas/Silverpeas-Components,auroreallibe/Silverpeas-Components,CecileBONIN/Silverpeas-Components,SilverYoCha/Silverpeas-Components,SilverYoCha/Silverpeas-Components,CecileBONIN/Silverpeas-Components,CecileBONIN/Silverpeas-Components,CecileBONIN/Silverpeas-Components,mmoqui/Silverpeas-Components,ebonnet/Silverpeas-Components,Silverpeas/Silverpeas-Components