Commit before merging in Python branch: * converted more examples: poincare, rips, some fitness * two generators for Rips complexes * ChainWrapper uses stl algorithms for everything, added CountingBackInserter and switched SizeStorage to use operators * retabbing files along the way * added #957a (namespace dionysus)

set                         (targets                        
                             cech-complex)
                             
foreach                     (t ${targets})
    add_executable          (${t} ${t}.cpp)
    target_link_libraries   (${t} ${libraries})
endforeach                  (t ${targets})