SeriesService: move stamps related methods from DAO and service #88
Description
To simplify interfaces/implementations I suggest to move stamps-related methods:
JdbcSeriesDao.countAllStamps()->JdbcStampsDaoJdbcSeriesDao.countStampsOfCollection(Integer)->JdbcStampsDaoJdbcSeriesDaoImpl.countAllStamps() -> JdbcStampsDaoImplJdbcSeriesDaoImpl.countStampsOfCollection(Integer)->JdbcStampsDaoImplSeriesService.countAllStamps()->StampsServiceSeriesService.countStampsOf(Collection)->StampsServiceSeriesServiceImpl.countAllStamps()->StampsServiceImplSeriesServiceImpl.countStampsOf(Collection)->StampsServiceImpl