add autoscale, docker and openshift to the distro by default
#1987 fixes bug in discovery of host address for the preferred address; sometimes it doesn't find it; so lets add a little fallback bit of code and a warning if we still can't find a preferred address
#1987 allow preferredAddress to be configured on an sshHostConfig if required; also don't make password mandatory (as folks may be using ssh keys)
fix poms so that docker & openshift are part of the core distribution
update the documentation to point at the 1.1.0.CR3 release
attempted fix for #2014
added a link to Steve's article on fabric8
fix mvn poms for autoscale module
fix mvn poms for autoscale module