TMSS-231: Merge remote-tracking branch 'origin/master' into TMSS-231

.gitlab-ci.yml

MAC/Services/CMakeLists.txt

MAC/Services/src/PipelineControl.py

MAC/Services/test/tPipelineControl.py

QA/QA_Common/test/CMakeLists.txt

QA/QA_Service/CMakeLists.txt

QA/QA_Service/lib/qa_service.py

QA/QA_Service/test/t_qa_service.py

SAS/TMSS/client/lib/mains.py

SAS/TMSS/client/lib/tmss_http_rest_client.py

...MSS/services/subtask_scheduling/lib/subtask_scheduling.py

...s/subtask_scheduling/test/t_subtask_scheduling_service.py

SAS/TMSS/src/tmss/settings.py

SAS/TMSS/src/tmss/tmssapp/adapters/parset.py

SAS/TMSS/src/tmss/tmssapp/migrations/0001_initial.py

SAS/TMSS/src/tmss/tmssapp/models/scheduling.py

SAS/TMSS/src/tmss/tmssapp/models/specification.py

SAS/TMSS/src/tmss/tmssapp/populate.py

SAS/TMSS/src/tmss/tmssapp/serializers/scheduling.py

SAS/TMSS/src/tmss/tmssapp/serializers/specification.py