Update docker_remote_api_v1.8.rst

Docker-DCO-1.1-Signed-off-by: Jean-Baptiste Dalido <jbdalido@gmail.com> (github: jeandalido)
Update docker_remote_api_v1.7.rst and non-versionned

Docker-DCO-1.1-Signed-off-by: Jean-Baptiste Dalido <jbdalido@gmail.com> (github: jeandalido)
Merge pull request #3539 from jeandalido/patch-1

Update docker_remote_api_v1.8.rst