README
Add note on ssh-agent.
dev-support/create-release/do-release.sh
move gpg check to non-docker context. Also cleanup tmp files when done.
dev-support/create-release/hbase-rm/Dockerfile
dev-support/create-release/mac-sshd-gpg-agent/Dockerfile
Hack to update packages... the old ones no longer available.
dev-support/create-release/release-util.sh
Allow that there are no JIRA changes in a release. Good for testing.