Story SW-300: fixes throughout the all branch

LCU/Maintenance/DBInterface/django_postgresql/settings.py

...ance/DBInterface/monitoringdb/models/hbacomponenterror.py

...ance/DBInterface/monitoringdb/models/lbacomponenterror.py

...ance/DBInterface/monitoringdb/models/rcucomponenterror.py

...ance/DBInterface/monitoringdb/models/rspcomponenterror.py

...ance/DBInterface/monitoringdb/models/spucomponenterror.py

...ance/DBInterface/monitoringdb/models/tbbcomponenterror.py

...ce/DBInterface/monitoringdb/serializers/componenterror.py

...rface/monitoringdb/serializers/componenterrors_generic.py

...Interface/monitoringdb/serializers/hbaerrorserializers.py

...BInterface/monitoringdb/serializers/spuerrorserializer.py

...nance/DBInterface/monitoringdb/serializers/stationtest.py

...tenance/DBInterface/monitoringdb/serializers/tileerror.py

...nance/DBInterface/monitoringdb/station_test_raw_parser.py

LCU/Maintenance/DBInterface/monitoringdb/views.py

LCU/Maintenance/MDB_tools/cli/mdb_loader.py