Tagging of items

Also-by: Michael Grammling <m.grammling@external.telekom.de>
Also-by: Andre Fuechsel <a.fuechsel@telekom.de>
Signed-off-by: Alex Tugarev <telekom@tugarev.de>
Sure. The resource is unloaded in the very next step, step: org.eclipse.smarthome.model.core.internal.ModelRepositoryImpl.removeModel(String)