some pics taken, "EventID" was added to NTuple

	modified:   include/NSEventAction.hh
	new file:   pics/build.png
	new file:   pics/frontView.jpg
	new file:   pics/frontView_noCover.jpg
	new file:   pics/run.png
	new file:   pics/run2.png
	new file:   pics/sideView.jpg
	new file:   pics/sideView_noCover.jpg
	new file:   pics/topView.jpg
	new file:   pics/topView_noCover.jpg
	modified:   src/NSEventAction.cc
	modified:   src/NSRunAction.cc
	modified:   src/NSSteppingAction.cc
	modified:   vis.mac