TMSS-190: merged master into this feature branch

.DS_Store

LCS/Messaging/python/messaging/config.py

SAS/TMSS/src/remakemigrations.py

SAS/TMSS/src/tmss/tmssapp/migrations/0002_populate.py

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

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

...app/schemas/UC1-scheduling-unit-observation-strategy.json

...ss/tmssapp/schemas/common_schema_template-stations-1.json

...ssapp/schemas/task_template-calibrator_observation-1.json

...s/tmssapp/schemas/task_template-target_observation-1.json

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

SAS/TMSS/test/t_subtasks.py

SAS/TMSS/test/t_tasks.py

SAS/TMSS/test/testdata/example_UC1_scheduling_unit.json

SAS/TMSS/test/tmss_test_data_django_models.py

SAS/TMSS/test/tmss_test_data_rest.py