TMSS-190: merged master into feature branch

.gitignore

Docker/lofar-ci/Dockerfile_ci_sas

SAS/Scheduler/src/taskdialog.cpp

SAS/TMSS/client/lib/tmss_http_rest_client.py

...d/tmss_webapp/src/components/Timeline/CalendarTimeline.js

SAS/TMSS/frontend/tmss_webapp/src/layout/sass/_timeline.scss

SAS/TMSS/frontend/tmss_webapp/src/routes/Project/view.js

...d/tmss_webapp/src/routes/Scheduling/SchedulingUnitList.js

SAS/TMSS/frontend/tmss_webapp/src/routes/Timeline/view.js

...MSS/frontend/tmss_webapp/src/routes/Timeline/week.view.js

...MSS/frontend/tmss_webapp/src/services/schedule.service.js

SAS/TMSS/frontend/tmss_webapp/src/services/task.service.js

SAS/TMSS/src/migrate_momdb_to_tmss.py

SAS/TMSS/src/tmss/settings.py

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

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

...S/src/tmss/tmssapp/schemas/subtask_template-ingest-1.json

...TMSS/src/tmss/tmssapp/schemas/task_template-ingest-1.json

SAS/TMSS/src/tmss/tmssapp/schemas/templates.json

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