Translations:ReleaseNotes/Liberty/71/en

REST API/heatclient additions

 * Stacks can now be assigned with a set of tags, and stack-list can filter and sort through those tags
 * "heat stack-preview ..." will return a preview of changes for a proposed stack-update
 * "heat template-validate --show-nested ..." will also validate all template resources and return nested data useful for building user interfaces
 * "heat resource-type-template --template-type hot ..." generates a template in HOT format
 * "heat resource-type-list" only shows types available to the user, and can filter results by name, version and support_status
 * "heat template-version-list" lists available template versions
 * "heat template-function-list ..." lists available functions for a template version