OSB-28: merge with master branch and various updates and fixes

LCU/Maintenance/MDB_tools/test/t_client.run

LCU/Maintenance/MDB_tools/test/t_client.sh

LCU/Maintenance/MDB_tools/test/t_mdb_loader.py

LCU/Maintenance/MDB_tools/test/t_station_tests_watchdog.py

LCU/Maintenance/MDB_tools/test/t_station_tests_watchdog.run

LCU/Maintenance/MDB_tools/test/t_station_tests_watchdog.sh

...ce/MDB_tools/test/t_station_tests_watchdog_integration.py

...e/MDB_tools/test/t_station_tests_watchdog_integration.run

...ce/MDB_tools/test/t_station_tests_watchdog_integration.sh