Implémentation de la nouvelle classe Models dans le package equipment.
Merge branch 'master' of https://github.com/MarK9992/Projet-Fin-Semestre

Conflicts:
	Projet-Fin-Semestre/bin/equipment/Equipment.class
	Projet-Fin-Semestre/bin/equipment/Hardware.class
	Projet-Fin-Semestre/bin/equipment/Headphone.class
	Projet-Fin-Semestre/bin/managementsystem/ManagementSystem.class
	Projet-Fin-Semestre/src/equipment/Equipment.java
	Projet-Fin-Semestre/src/equipment/Hardware.java
	Projet-Fin-Semestre/src/equipment/Headphone.java