ajout du début de la gestion de la BDD

Appel moi si tu veux des infos
ajout BDD
Merge branch 'master' of https://github.com/hellrider42/MyAgenda

Conflicts:
	BusinessLayer/BusinessManager.cs
	BusinessLayer/bin/Debug/BusinessLayer.dll
	BusinessLayer/bin/Debug/BusinessLayer.pdb
	BusinessLayer/bin/Debug/EntitiesLayer.dll
	BusinessLayer/bin/Debug/EntitiesLayer.pdb
	BusinessLayer/bin/Debug/StubDataAccessLayer.dll
	BusinessLayer/bin/Debug/StubDataAccessLayer.pdb
	BusinessLayer/obj/Debug/BusinessLayer.csprojResolveAssemblyReference.cache
	BusinessLayer/obj/Debug/BusinessLayer.dll
	BusinessLayer/obj/Debug/BusinessLayer.pdb
	EntitiesLayer/bin/Debug/EntitiesLayer.dll
	EntitiesLayer/bin/Debug/EntitiesLayer.pdb
	EntitiesLayer/obj/Debug/EntitiesLayer.dll
	EntitiesLayer/obj/Debug/EntitiesLayer.pdb
	MonAgendaConsole/obj/x86/Debug/MonAgendaConsole.csprojResolveAssemblyReference.cache
	MonAgendaConsole/obj/x86/Debug/MonAgendaConsole.exe
	MonAgendaConsole/obj/x86/Debug/MonAgendaConsole.pdb
	MyWPFAgenda/ViewModel/PlanningElementViewModel.cs
	MyWPFAgenda/bin/Debug/.xml
	MyWPFAgenda/bin/Debug/BusinessLayer.dll
	MyWPFAgenda/bin/Debug/BusinessLayer.pdb
	MyWPFAgenda/bin/Debug/EntitiesLayer.dll
	MyWPFAgenda/bin/Debug/EntitiesLayer.pdb
	MyWPFAgenda/bin/Debug/MyWPFAgenda.exe
	MyWPFAgenda/bin/Debug/MyWPFAgenda.pdb
	MyWPFAgenda/bin/Debug/StubDataAccessLayer.dll
	MyWPFAgenda/bin/Debug/StubDataAccessLayer.pdb
	MyWPFAgenda/obj/x86/Debug/GeneratedInternalTypeHelper.g.cs
	MyWPFAgenda/obj/x86/Debug/GestionEvenementView.baml
	MyWPFAgenda/obj/x86/Debug/GestionEvenementView.g.cs
	MyWPFAgenda/obj/x86/Debug/MyWPFAgenda.csprojResolveAssemblyReference.cache
	MyWPFAgenda/obj/x86/Debug/MyWPFAgenda.exe
	MyWPFAgenda/obj/x86/Debug/MyWPFAgenda.g.resources
	MyWPFAgenda/obj/x86/Debug/MyWPFAgenda.pdb
	MyWPFAgenda/obj/x86/Debug/MyWPFAgenda_MarkupCompile.lref
	StubAccessLayer/bin/Debug/EntitiesLayer.dll
	StubAccessLayer/bin/Debug/EntitiesLayer.pdb
	StubAccessLayer/bin/Debug/StubDataAccessLayer.dll
	StubAccessLayer/bin/Debug/StubDataAccessLayer.pdb
	StubAccessLayer/obj/Debug/StubDataAccessLayer.csprojResolveAssemblyReference.cache
	StubAccessLayer/obj/Debug/StubDataAccessLayer.dll
	StubAccessLayer/obj/Debug/StubDataAccessLayer.pdb