CFY-2080: vCloud plugin Server node - check hardware only in case when such section defined in config
CFY-2080: vCloud plugin Server node - check hardware only in case when such section defined in config

kemiz/tosca-vcloud-plugin,cloudify-cosmo/tosca-vcloud-plugin,vmware/tosca-vcloud-plugin,nmishkin/tosca-vcloud-plugin,denismakogon/tosca-vcloud-plugin