Add B -> X3872/psi2 KS/K* decay files
Adding new decay files for: B0 -> { X3872 / psi2 } [J/psi[mu+ mu-] pi+ pi-] KS0[pi+ pi-], B0 -> { X3872 / psi2 } [J/psi[mu+ mu-] pi+ pi-] K*0[K+ pi-], B+ -> { X3872 / psi2 } [J/psi[mu+ mu-] pi+ pi-] K*+[KS0[pi+ pi-] pi+].
Edited by Pavel Krokovny