fix update_config.py to handle specific cloud properties
fix update_config.py to handle specific cloud properties

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