Add class to manage SiLi detectors (for the isomer chamber)

NPLib/SiLi/Makefile

NPLib/SiLi/Makefile~

NPLib/SiLi/TSiLiData.cxx

NPLib/SiLi/TSiLiData.cxx~

NPLib/SiLi/TSiLiData.h

NPLib/SiLi/TSiLiData.h~

NPLib/SiLi/TSiLiData.o

NPLib/SiLi/TSiLiDataDict.cxx

NPLib/SiLi/TSiLiDataDict.h

NPLib/SiLi/TSiLiDataDict.o

NPLib/SiLi/TSiLiPhysics.cxx

NPLib/SiLi/TSiLiPhysics.cxx~

NPLib/SiLi/TSiLiPhysics.h

NPLib/SiLi/TSiLiPhysics.h~

NPLib/SiLi/TSiLiPhysics.o

NPLib/SiLi/TSiLiPhysicsDict.cxx

NPLib/SiLi/TSiLiPhysicsDict.h

NPLib/SiLi/TSiLiPhysicsDict.o

NPLib/SiLi/TSiLiSpectra.cxx

NPLib/SiLi/TSiLiSpectra.cxx~