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)
set (targets
ar-vineyard)
add_definitions (${cgal_cxxflags})
foreach (t ${targets})
add_executable (${t} ${t}.cpp ${external_sources})
target_link_libraries (${t} ${libraries} ${cgal_libraries}
${Boost_SIGNALS_LIBRARY}
${Boost_PROGRAM_OPTIONS_LIBRARY})
endforeach (t)