This patch demonstrate way how to use rally plugins in Heat repository.
Current patch contains 4 new scenario:
- output-show for old algorithm
- output-show for new algorithm
- output-list for old algorithm
- output-list for new algorithm
All new plugins use simple template with ResourceGroup resource,
which contains simple OS::Heat::TestResource with custom value of
timeout_attr property.
Change-Id: Ia960ab5bd59ca0f6fc0fa3aff069c34c67a89354