You can find the GoCD .zips here:
The git and openjdk blobs can be grabbed from
cf-release.
bosh add blob go-agent-13.4.1-18342.zip gocd
bosh add blob go-server-13.4.1-18342.zip gocd
bosh add blob git-1.7.11.2.tar.gz git
bosh add blob openjdk-1.7.0_51.tar.gz openjdk