Add optional tree and pt correlation histos
Add optional tree and pt correlation histos

lcunquei/AliPhysics,preghenella/AliPhysics,fbellini/AliPhysics,victor-gonzalez/AliPhysics,rbailhac/AliPhysics,hcab14/AliPhysics,AMechler/AliPhysics,kreisl/AliPhysics,SHornung1/AliPhysics,nschmidtALICE/AliPhysics,adriansev/AliPhysics,hzanoli/AliPhysics,nschmidtALICE/AliPhysics,mpuccio/AliPhysics,alisw/AliPhysics,mpuccio/AliPhysics,lcunquei/AliPhysics,hcab14/AliPhysics,victor-gonzalez/AliPhysics,fbellini/AliPhysics,victor-gonzalez/AliPhysics,hcab14/AliPhysics,alisw/AliPhysics,mpuccio/AliPhysics,rbailhac/AliPhysics,victor-gonzalez/AliPhysics,lcunquei/AliPhysics,kreisl/AliPhysics,kreisl/AliPhysics,nschmidtALICE/AliPhysics,rbailhac/AliPhysics,hcab14/AliPhysics,lcunquei/AliPhysics,fcolamar/AliPhysics,AMechler/AliPhysics,pchrista/AliPhysics,amaringarcia/AliPhysics,amaringarcia/AliPhysics,pchrista/AliPhysics,adriansev/AliPhysics,victor-gonzalez/AliPhysics,hcab14/AliPhysics,amaringarcia/AliPhysics,SHornung1/AliPhysics,SHornung1/AliPhysics,dmuhlhei/AliPhysics,rbailhac/AliPhysics,hzanoli/AliPhysics,nschmidtALICE/AliPhysics,preghenella/AliPhysics,pchrista/AliPhysics,fcolamar/AliPhysics,hcab14/AliPhysics,dmuhlhei/AliPhysics,nschmidtALICE/AliPhysics,SHornung1/AliPhysics,rihanphys/AliPhysics,rihanphys/AliPhysics,fbellini/AliPhysics,rbailhac/AliPhysics,kreisl/AliPhysics,preghenella/AliPhysics,SHornung1/AliPhysics,dmuhlhei/AliPhysics,preghenella/AliPhysics,rbailhac/AliPhysics,victor-gonzalez/AliPhysics,victor-gonzalez/AliPhysics,rihanphys/AliPhysics,rihanphys/AliPhysics,mpuccio/AliPhysics,dmuhlhei/AliPhysics,mpuccio/AliPhysics,AMechler/AliPhysics,adriansev/AliPhysics,adriansev/AliPhysics,SHornung1/AliPhysics,hzanoli/AliPhysics,fcolamar/AliPhysics,kreisl/AliPhysics,hcab14/AliPhysics,fcolamar/AliPhysics,pchrista/AliPhysics,pchrista/AliPhysics,hzanoli/AliPhysics,AMechler/AliPhysics,fcolamar/AliPhysics,nschmidtALICE/AliPhysics,hzanoli/AliPhysics,AMechler/AliPhysics,alisw/AliPhysics,amaringarcia/AliPhysics,rihanphys/AliPhysics,kreisl/AliPhysics,fbellini/AliPhysics,lcunquei/AliPhysics,fcolamar/AliPhysics,rihanphys/AliPhysics,amaringarcia/AliPhysics,SHornung1/AliPhysics,rbailhac/AliPhysics,pchrista/AliPhysics,fbellini/AliPhysics,alisw/AliPhysics,lcunquei/AliPhysics,dmuhlhei/AliPhysics,mpuccio/AliPhysics,nschmidtALICE/AliPhysics,kreisl/AliPhysics,alisw/AliPhysics,AMechler/AliPhysics,hzanoli/AliPhysics,adriansev/AliPhysics,pchrista/AliPhysics,adriansev/AliPhysics,mpuccio/AliPhysics,rihanphys/AliPhysics,amaringarcia/AliPhysics,fcolamar/AliPhysics,fbellini/AliPhysics,adriansev/AliPhysics,preghenella/AliPhysics,alisw/AliPhysics,dmuhlhei/AliPhysics,dmuhlhei/AliPhysics,alisw/AliPhysics,amaringarcia/AliPhysics,preghenella/AliPhysics,hzanoli/AliPhysics,AMechler/AliPhysics,preghenella/AliPhysics,fbellini/AliPhysics,lcunquei/AliPhysics