write Directory Reference

Files
	eformat.h
	FullEventFragment.h
	Helps the user to define and build a FullEvent fragment.
	node.h
	ROBFragment.h
	Helps the user to define and build a ROB fragment.
	ROSFragment.h
	Helps the user to define and build a ROS fragment.
	SubDetectorFragment.h
	Helps the user to define and build a SubDetector fragment.