public AuthenticationService(AppSettings appSettings)
		{
			this.appSettings = appSettings;
		}
		public CourseSettingsService(AppSettings appSettings)
		{
			this.appSettings = appSettings;
		}
		public SessionService(AppSettings appSettings)
		{
			this.appSettings = appSettings;
		}
		public ActivityService(AppSettings appSettings)
		{
			this.appSettings = appSettings;
		}
 public ActivityService(AppSettings appSettings)
 {
     this.appSettings = appSettings;
 }