Resolve L2SS-1576 "Add statistics to observations"

README.md

tangostationcontrol/VERSION

...ion_test/default/devices/test_device_observation_field.py

...tegration_test/default/devices/test_observation_client.py

tangostationcontrol/tangostationcontrol/common/constants.py

...tioncontrol/tangostationcontrol/configuration/__init__.py

...control/tangostationcontrol/configuration/_json_parser.py

...tioncontrol/tangostationcontrol/configuration/_schemas.py

...l/tangostationcontrol/configuration/configuration_base.py

tangostationcontrol/tangostationcontrol/configuration/hba.py

...tationcontrol/configuration/observation_field_settings.py

...rol/configuration/schemas/observation-field-settings.json

...ontrol/tangostationcontrol/configuration/schemas/sst.json

...ontrol/tangostationcontrol/configuration/schemas/xst.json

tangostationcontrol/tangostationcontrol/configuration/sst.py

tangostationcontrol/tangostationcontrol/configuration/xst.py

...ncontrol/tangostationcontrol/devices/observation_field.py

tangostationcontrol/tangostationcontrol/devices/sdp/bst.py

tangostationcontrol/tangostationcontrol/devices/sdp/sst.py

tangostationcontrol/tangostationcontrol/devices/sdp/xst.py