snap4city-docker

• Alone is the docker (partial) implementation of the "Alone" configuration as described in https://www.snap4city.org/drupal/node/471
• iotobsf is the docker implementation of the IOTOBSF VM also described in https://www.snap4city.org/drupal/node/471
• DataCity-Small is the docker implementation of the "DataCity-Small" configuration as described in https://www.snap4city.org/drupal/node/471