* Added Keycloak to the infrastructure yaml which uses a
h2 not to complicate the installation.
* Updated the docker-compose docs.
* Move Cloud Flow image to the infrastructure yaml.
Change-Id: I2a69ca91c1638e5fd070c77ca63c8d5586887231
Signed-off-by: Vitalii Solodilov <mcdkr@yandex.ru>