Mount home dir with rw for everyone

I'm using volumes to persist db data, and i need the images
to be able to write to the mounted shared folders.
Merge branch 'master' of https://github.com/noplay/docker-osx
Merge pull request #54 from tbug/master

Mount home dir in VM with 777
Update to Docker 1.0.0
Update readme to 1.0.0
allow the vagrant box to be configurable