Update parent POM to version 1.2-build190819
Update parent POM to version 1.2-build190819

SilverDav/Silverpeas-Core,SilverTeamWork/Silverpeas-Core,SilverTeamWork/Silverpeas-Core,Silverpeas/Silverpeas-Core,SilverTeamWork/Silverpeas-Core,mmoqui/Silverpeas-Core,Silverpeas/Silverpeas-Core,SilverDav/Silverpeas-Core,Silverpeas/Silverpeas-Core,SilverDav/Silverpeas-Core,mmoqui/Silverpeas-Core,mmoqui/Silverpeas-Core