[Orchestration API v1] Missing description and response sample for List API versions
[Orchestration API v1] Missing description and response sample
for List API versions

The method GET of "List API versions" does return a response.
However the desc and the response sample are missing from the
API details.

Change-Id: I51107ff6929a0f8857bd017cca262faa379fbd00
Closes-Bug: #1539549

Tesora/tesora-api-site,openstack/api-site,openstack/api-site,Tesora/tesora-api-site,openstack/api-site,openstack/api-site,Tesora/tesora-api-site,Tesora/tesora-api-site,Tesora/tesora-api-site,Tesora/tesora-api-site,Tesora/tesora-api-site