Adding (back?) a "short name" hosts file entry for self

so that services that require it to be accessible can still work, most
notably RabbitMQ -> epmd.
Doing the fqdn string split operation only once, using node[:fqdn] instead of node[:name]
Patch version bump
Merge pull request #1 from modcloth-cookbooks/add-local-shortname-to-hosts

Add local shortname to hosts