Implemented ImageZigzagPersistence
* Changed ZigzagPersistence to support a visitor, and implemented
ImageZigzagPersistence
* examples/rips/rips-zigzag now computes using ImageZigzagPersistence
* PersistenceDiagram no longer records zero persistence pairs
* Added utilities/memory.h with report_memory() function
/*
* Author: Dmitriy Morozov
* Department of Computer Science, Duke University, 2006--2008
*
* For now file exists only to store the main page of the documentation
*/
/** \mainpage
* Detailed description of Dionysus with references to all the classes,
* and code samples goes here.
*/
/**
* \defgroup topology Topology Classes
*/
/**
* \defgroup geometry Geometry Classes
*/
/**
* \defgroup kinetic Kinetic Data Structures Classes
* \ingroup geometry
*/