Removed the points iterator in PersistenceDaigram; replaced it with a __iter__ method.
Got rid of some python code in __init__.py, since it was not needed with the above change.
Changed the docs to reflect this.
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)