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
From: Dmitriy Morozov <morozov@cs.duke.edu>
Date: Thu, 21 Feb 2008 04:54:00 -0500
State: fixed
Subject: Segfault in tests/geometry/test-kinetic-sort.cpp
Message-Id: <b5d8a8403ae3a0d2-0-artemis@metatron>
test-kinetic-sort segfaults when we subscribe to geometry/simulator RLog channel.