Merge pull request #230 from jtreminio/parallel-support

Adds parallel support in multi-machine config.

Author: seth-reeser

lib/vagrant-digitalocean/plugin.rb

@@ -12,7 +12,7 @@ class Plugin < Vagrant.plugin('2')
         Config
       end
 
-      provider(:digital_ocean) do
+      provider(:digital_ocean, parallel: true) do
         require_relative 'provider'
         Provider
       end