Use a more sane structure for blessed_versions.json
Use a more sane structure for blessed_versions.json

instead of names as keys use names as the value of the name key

Signed-off-by: Mikhail Vyshegorodtsev <61779cc052260166caf5044b633d3ad23459a853@vmware.com>

cloudfoundry/cf-deployment,emalm/cf-deployment,cloudfoundry/cf-deployment