Merge branch 'master' into TMSS-346

LCS/PyCommon/json_utils.py

RTCP/Cobalt/GPUProc/src/scripts/stopBGL.sh

SAS/TMSS/docker-compose-scu199.yml

SAS/TMSS/docker-compose-tmss.yml

SAS/TMSS/docker-compose-ua.yml

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

...src/tmss/tmssapp/schemas/common_schema_template-qa-1.json

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

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

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

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

SAS/TMSS/src/tmss/tmssapp/viewsets/lofar_viewset.py

SAS/XML_generator/src/xmlgen.py