RedDeer release publish job
Builds and pushes reddeer bits into milestones repository at http://download.eclipse.org/reddeer/releases/$REDDEER_UPDATE_SITE
Where REDDEER_TAG parameters represents exact github repo's tag and REDDEER_UPDATE_SITE represents version of update site of newly built bits
The same content is then plced at http://download.eclipse.org/reddeer/releases/latest
First, whole repo is built, then its content copied over into local httpd folder and extracted
Repository http://download.eclipse.org/reddeer/releases/ can contain more than one RedDeer version, and always latest bits
It uses -Peclipse-sign profile to sign produced jars