Make sure containers automatically get restarted even when it is not specified on the Vagrantfile

This is required because Vagrant 1.3+ won't run our provisioners by
default on `up` or `reload` and because we need the services running in
case we package the box for redistribution.
Add development Vagrantfile
Update README
Add rspec task and make it the default task
Add base box urls to development vagrantfile
v0.1.0