Tests and comments on metamodel reducers and models => DONE

client/src/app/metamodel/models/attribute.model.ts

client/src/app/metamodel/models/column.model.ts

client/src/app/metamodel/models/criteria-family.model.ts

client/src/app/metamodel/models/database.model.ts

client/src/app/metamodel/models/dataset-family.model.ts

client/src/app/metamodel/models/dataset.model.ts

client/src/app/metamodel/models/file-info.model.ts

client/src/app/metamodel/models/group.model.ts

client/src/app/metamodel/models/instance.model.ts

client/src/app/metamodel/models/option.model.ts

client/src/app/metamodel/models/output-category.model.ts

client/src/app/metamodel/models/output-family.model.ts

...etamodel/models/renderers/detail-renderer-config.model.ts

...amodel/models/renderers/download-renderer-config.model.ts

...metamodel/models/renderers/image-renderer-config.model.ts

.../metamodel/models/renderers/link-renderer-config.model.ts

...c/app/metamodel/models/renderers/renderer-config.model.ts

client/src/app/metamodel/models/select-option.model.ts

client/src/app/metamodel/models/select.model.ts

client/src/app/metamodel/models/survey.model.ts