create user verbose class SteppingVerbose
	modified:   include/NSRunMessenger.hh
	deleted:    include/NSSteppingVerbose.hh~
	renamed:    include/NSRunMessenger.hh~ -> include/NSVerboseMessenger.hh
	modified:   src/NSPrimaryGeneratorAction.cc
	renamed:    src/NSRunMessenger.cc~ -> src/NSRunMessenger.cc
	renamed:    src/NSSteppingVerbose.cc~ -> src/NSVerboseMessenger.cc
	modified:   vis.mac