Changes

#112 (31-Dec-2018 13:51:56)

1. Improved cluster calculation. — marco / detail

#111 (31-Dec-2018 10:57:27)

1. Added displaying PV status info. — marco / detail
2. Added displaying PV status info. — marco / detail

#110 (31-Dec-2018 02:51:10)

1. Delete yet one more redundant lib. — marco / detail

#105 (30-Dec-2018 15:58:19)

1. Finished JDO-based persistence for PV-status. — marco / detail