add tests geolocalisation

...ts_visu_default/ajout_outils_8_geolocalisation_simple.htm

...cts_visu_default/ajout_outils_8_geolocalisation_simple.js

..._visu_default/ajout_outils_9_geolocalisation_tracking.htm

...s_visu_default/ajout_outils_9_geolocalisation_tracking.js

tests/tests_fcts_visu_default/index.htm