CFY-643 modified node_state to node_instance
CFY-643 modified node_state to node_instance

cloudify-cosmo/cloudify-system-tests,cloudify-cosmo/cloudify-system-tests,isaac-s/cloudify-system-tests,codilime/cloudify-system-tests,codilime/cloudify-system-tests,isaac-s/cloudify-system-tests,isaac-s/cloudify-system-tests,codilime/cloudify-system-tests