OSB-37: merging back to master branch

.gitattributes

CMake/LofarCTestPython.cmake

CMake/testscripts/test_python_with_coverage.run.in

LCS/PyCommon/dbcredentials.py

LCU/Maintenance/DBInterface/CMakeLists.txt

LCU/Maintenance/DBInterface/bin/CMakeLists.txt

LCU/Maintenance/DBInterface/bin/mdb

LCU/Maintenance/DBInterface/django_postgresql/settings.py

...aintenance/DBInterface/django_postgresql/test_settings.py

LCU/Maintenance/DBInterface/django_postgresql/utils.py

LCU/Maintenance/DBInterface/manage.py

...nance/DBInterface/monitoringdb/migrations/0001_initial.py

LCU/Maintenance/DBInterface/monitoringdb/serializers/rtsm.py

LCU/Maintenance/DBInterface/monitoringdb/urls.py

LCU/Maintenance/DBInterface/test/CMakeLists.txt

LCU/Maintenance/DBInterface/test/__init__.py

LCU/Maintenance/DBInterface/test/controllers/CMakeLists.txt

...terface/test/controllers/t_all_components_error_types.run

...nterface/test/controllers/t_all_components_error_types.sh

...rface/test/controllers/test_all_components_error_types.py