Updated Rips zigzags
* Updated to use Bron-Kerbosch
* Compute in the order of increasing epsilon, and decreasing point sizes
* Split into plain zigzag (rips-zigzag) and image zigzag (rips-image-zigzag)
* Added minor enhancements (show_progress and timers)
find_package (Qt4 REQUIRED)
set (QT_USE_QTOPENGL TRUE)
set (QT_USE_QTXML TRUE)
include (${QT_USE_FILE})
#find_library (gle_LIBRARY NAMES gle)
#find_library (QGLViewer_LIBRARY NAMES QGLViewer)
#find_path (QGLViewer_INCLUDE_DIR QGLViewer/qglviewer.h)
#include_directories (${QGLViewer_INCLUDE_DIR})
add_subdirectory (diagram-viewer)