Updated openstack/openstack
Project: openstack/tempest  557d47065db22bfd982b424e62eaca0c4a42e637
null
Matches one flavor and one image by default

Changes default in the input-scenario settings to match only
one image and one flavor, to avoid consuming gate time.

Fixes bug 1274628

Change-Id: Ide865012269d3f60250d24443e4f20af263ee021