Activate subset of modules
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* activate/deactivate may get an optional 2nd argument and work only on this.
* add equipment_id [_0-9a-zA-A]{4,} as SEC-node property (mandatory) (prefixed with ficility/manufacturer)
* change response to 'describe' to 'describing ALL <json_description>'
* '(de-)activate samething' -> '(de-)activated something'