Add DestroyNetwork action to docker provider
Add DestroyNetwork action to docker provider

sni/vagrant,mitchellh/vagrant,sni/vagrant,chrisroberts/vagrant,bryson/vagrant,marxarelli/vagrant,chrisroberts/vagrant,bryson/vagrant,bryson/vagrant,gitebra/vagrant,mitchellh/vagrant,marxarelli/vagrant,gitebra/vagrant,gitebra/vagrant,marxarelli/vagrant,gitebra/vagrant,mitchellh/vagrant,chrisroberts/vagrant,chrisroberts/vagrant,marxarelli/vagrant,bryson/vagrant,sni/vagrant,sni/vagrant,mitchellh/vagrant