Fix automount issue
Merge pull request #59 from eugeneware/fix_automount

Fix automount issue #26 (attached disk image is not automounted)
expose docker on port 4243 so you can control it from os x docker client
only expose port if running in VirtualBox
Merge pull request #60 from eugeneware/allow_remote_docker

Expose docker on port 4243 so you can control it from os x docker client
update from upsteamMMerge remote-tracking branch 'upstream/master'
add nfs utilities