gestionVente -> ajout
Merge branch 'master' of https://github.com/AlexandreDelplace/AIRPUR

Conflicts:
	AIRPUR/src/airpur/ihm/Gestion.java
	AIRPUR/src/airpur/ihm/GestionLocation.java
working delete
Merge branch 'master' of https://github.com/AlexandreDelplace/AIRPUR

Conflicts:
	AIRPUR/src/airpur/ihm/Gestion.java
	AIRPUR/src/airpur/ihm/GestionVente.java