Version 4.9.1
(1) Change parameter definitions of IsotropicPrimaryGen
(2) New module: DumpMass
(3) Modify generateHit() in "SimDetector" classes
  hit->setEdep(0.0); for adjacent/near signals (which have non-zero CCE)
(4) Fix: getting ANLNEXT_INSTALL through an environment vairiable
(5) Fix: initialization of ReadRawHitTree