Description of configuration options for catalog

Configuration option = Default value	Description
[catalog]
driver = keystone.catalog.backends.sql.Catalog	(StrOpt) Keystone catalog backend driver.
list_limit = None	(IntOpt) Maximum number of entities that will be returned in a catalog collection.
template_file = default_catalog.templates	(StrOpt) Catalog template file name for use with the template catalog backend.