add __info__ for counters:

See merge request !1865

* SamplingCounter
* IntegratingCounter
* SoftCounter
* + counter_classes_(paths).svg

check in chain.add that master is an AcqMaster

See merge request !1859

Measurement patch

See merge request bliss/bliss!1863

__info__ for tango_attr_as_counter

See merge request !1819

fix data_watch behaviour with groups and sequences

See merge request bliss/bliss!1856

Resolve "Location of counter classes"

Closes #1232

See merge request bliss/bliss!1860

Resolve "Glob pattern for measurement groups"

Closes #1111

See merge request bliss/bliss!1744

Allow to retrieve default counters only from containers

counter_args must be specified

move _get_counters_from_object and _get_counters_from_measurement_group from toolbox to measurementgroup module

Use of global map registration instead of introspection

Was changed from 'simulation_diode_controller' to 'simulator_diode_sampling_controller'

Conflicts:
	tests/test_configuration/sessions/nexus_writer_sessions.yml

Also remove unneeded test, now get_counters_iter() returns counters only, and all counters have .shape