message: Print sklearn version next to the other modules
diff: @@ -65,6 +65,9 @@ if(PYTHONINTERP_FOUND)
  if(SCIPY_FOUND)
  add_gudhi_debug_info("Scipy version ${SCIPY_VERSION}")
  endif()
  + if(SKLEARN_FOUND)
  + add_gudhi_debug_info("Scikit-learn version ${SKLEARN_VERSION}")
  + endif()
  set(GUDHI_PYTHON_EXTRA_COMPILE_ARGS "${GUDHI_PYTHON_EXTRA_COMPILE_ARGS}'-DBOOST_RESULT_OF_USE_DECLTYPE', ")
  set(GUDHI_PYTHON_EXTRA_COMPILE_ARGS "${GUDHI_PYTHON_EXTRA_COMPILE_ARGS}'-DBOOST_ALL_NO_LIB', ")
  