Systems base now uses new environment logger.

lib/vagrant/systems/base.rb

@@ -27,6 +27,12 @@ module Vagrant
         @vm = vm
       end
 
+      # A convenience method to access the logger on the VM
+      # environment.
+      def logger
+        vm.env.logger
+      end
+
       # Halt the machine. This method should gracefully shut down the
       # operating system. This method will cause `vagrant halt` and associated
       # commands to _block_, meaning that if the machine doesn't halt
@@ -50,4 +56,4 @@ module Vagrant
       def mount_shared_folder(ssh, name, guestpath); end
     end
   end
-end
+end