Cperello/s4sync fixes

	Backup Configuration Test Suite
		CheckSideBarNavigation: OK
		InstallNonProfilePackages: OK
		CheckBrokenPackages: OK
		EnableModules: OK
		CheckBrokenPackagesAfterEnableModules: OK
		SaveChangesAfterModulesEnabled: OK
		AddUser: OK
		TestDeleteDefaultAccessRule: OK
		TestCreateProfile: OK
		TestCreateConfigBackup: OK
		DelUser: OK
		TestDeleteAccessRule: OK
		TestRestoreConfigBackup: OK
		TestCheckBackupData: OK
		SaveChangesAfterBackupRestore: OK
		check-zentyal-log: OK
		check-syslog-apparmor: OK

	Standalone basic users operations Test Suite
		EnableUsersZentyalTest: OK
		AddUser: OK
		CheckUSer: OK
		AddGroup: OK
		CheckGroup: OK
		DelUser: OK
		CheckDeletedUser: OK
		AddOU: OK
		AddUserToOU: OK
		CheckUSer: OK
		check-zentyal-log: OK
		check-syslog-apparmor: OK

	Standalone basic users operations Test Suite with samba enabled
		InstallNonProfilePackages: OK
		EnableUsersZentyalTest: OK
		AddUser: OK
		CheckUSer: OK
		AddGroup: OK
		CheckGroup: OK
		DelUser: OK
		CheckDeletedUser: OK
		AddOU: OK
		AddUserToOU: OK
		CheckUSer: OK
		check-zentyal-log: OK
		check-syslog-apparmor: OK