On() and Off() into base device, plus event pushing

.release

README.md

pogo/SKAAlarmHandler.xmi

pogo/SKABaseDevice.xmi

pogo/SKACapability.xmi

pogo/SKALogger.xmi

pogo/SKAMaster.xmi

pogo/SKAObsDevice.xmi

pogo/SKASubarray.xmi

pogo/SKATelState.xmi

src/ska/base/base_device.py

src/ska/base/obs_device.py

src/ska/base/subarray_device.py

tests/conftest.py

tests/test_base_device.py

tests/test_obs_device.py

tests/test_subarray_device.py