added delete a song for user
Merge branch 'master' of https://github.com/juliogarcia93/Jukebox

Conflicts:
	Jukebox/DataAccessLayer/Repositories/SongRepository.cs
	Jukebox/Jukebox.v11.suo
	Jukebox/Jukebox/Controllers/MusicController.cs
added get accountlist associated with the roomModel to business logic layer and repository