new display & fix getArtistByEvent
Merge branch 'master' of https://github.com/hellrider42/MyAgenda

Conflicts:
	DataAccessLayer/DalManager.cs
	DataAccessLayer/EventsAgenda.mdf
	DataAccessLayer/EventsAgenda_log.ldf
	MonAgendaProjet.v11.suo
	MyWPFAgenda/MyWPFAgenda.csproj
Merge OK