cozy-dev deploy should check the VM is running

[frankrousseau]

Here is the error message (my VM is up and running):

cozy-dev    | The provider for this Vagrant-managed machine is reporting that it
is not yet ready for SSH. Depending on your provider this can carry
different meanings. Make sure your machine is created and running and
try again. Additionally, check the output of `vagrant status` to verify
that the machine is in the state that you expect. If you continue to
get this error message, please view the documentation for the provider
you're using.

[frankrousseau]

In fact documation is missing. cozy-deploy require that you run the vm in the same directory of your application.