Correct image id in example
Correct image id in example

In the Openstack quick-start examle, the image UUID used in
'openstack create server' is 949c80c8-b4ac-4315-844e-69f9bef39ed1
but the result is a5604931-af06-4512-8046-d43aabf272d3. We should
make them to be the same to avoid confusing

Change-Id: Ia91886e996e0a399c2bc8db2aa3049bce1eb1a46

openstack/api-site,openstack/api-site,openstack/api-site,openstack/api-site