bugfix when lat or lon is zero (thanks cthuluh !)

clarification

removed old and no longer used creerPano.php

bugfix validation : a lat/lon may be negative + better error displaying

The one-step upload now handles as well the tiles generation and stops on generation errors if needed

can set the title of the panorama from the form

allow upload with same names

added params generation to upload

does the same upload job, bet refactored the form and receive action for future

create upload dir if non-existant

amélioration cosmétiques et remise à jour de la liste des fichiers.

remise en forme du travail de Victor Pongnian suit à son stage
Il reste pas mal de cosmétique à revoir mais le système devrait déjà être utilisable dans l'état.