CFY-642 modified is_host_node method to use the new node's type_hierarchy property
CFY-642 modified is_host_node method to use the new node's type_hierarchy property

codilime/cloudify-manager,geokala/cloudify-manager,konradxyz/dev_fileserver,geokala/cloudify-manager,isaac-s/cloudify-manager,konradxyz/cloudify-manager,cloudify-cosmo/cloudify-manager,codilime/cloudify-manager,konradxyz/cloudify-manager,konradxyz/dev_fileserver,isaac-s/cloudify-manager,codilime/cloudify-manager,cloudify-cosmo/cloudify-manager,isaac-s/cloudify-manager,cloudify-cosmo/cloudify-manager