Add vbox provider driver for 6.0

plugins/providers/virtualbox/driver/meta.rb

@@ -63,6 +63,7 @@ module VagrantPlugins
             "5.0" => Version_5_0,
             "5.1" => Version_5_1,
             "5.2" => Version_5_2,
+            "6.0" => Version_6_0,
           }
 
           if @@version.start_with?("4.2.14")

plugins/providers/virtualbox/driver/version_6_0.rb

@@ -0,0 +1,16 @@
+require File.expand_path("../version_5_0", __FILE__)
+
+module VagrantPlugins
+  module ProviderVirtualBox
+    module Driver
+      # Driver for VirtualBox 6.0.x
+      class Version_6_0 < Version_5_0
+        def initialize(uuid)
+          super
+
+          @logger = Log4r::Logger.new("vagrant::provider::virtualbox_6_0")
+        end
+      end
+    end
+  end
+end

plugins/providers/virtualbox/plugin.rb

@@ -58,6 +58,7 @@ module VagrantPlugins
       autoload :Version_5_0, File.expand_path("../driver/version_5_0", __FILE__)
       autoload :Version_5_1, File.expand_path("../driver/version_5_1", __FILE__)
       autoload :Version_5_2, File.expand_path("../driver/version_5_2", __FILE__)
+      autoload :Version_6_0, File.expand_path("../driver/version_6_0", __FILE__)
     end
 
     module Model