releases is an array in deployment files
Fix reconstruction of deployment size
Hardcode the supported release version in template

Created #190 for future support of old template version if new
cf-release doesn't require its own template upgrade.
No need to specify release in initial deploy file

Currently the release name/version is hardcoded into template.
Merge pull request #191 from cloudfoundry-community/v0.7-change

Hardcode release name/version in templates