Config + hook to restart docker on 'vagrant up'

[coolbrg]

Fix: #12 and #21.

[navidshaikh]

With this approach Vagrantfile will look like

 Vagrant.configure(2) do |config|
  config.vm.box = "projectatomic/adb"
  config.vm.network "private_network", type: "dhcp"
  config.servicemanager.providers = 'docker'
end

[coolbrg]

Probably we need to update README to for it.

[coolbrg]

Closing this PR as new PR #54 given through separate branch instead of master to have better collaboration.