Put the provider name in the status output

plugins/commands/status/command.rb

@@ -16,7 +16,7 @@ module VagrantPlugins
         results = []
         with_target_vms(argv) do |machine|
           state = machine.state if !state
-          results << "#{machine.name.to_s.ljust(25)}#{machine.state.short_description}"
+          results << "#{machine.name.to_s.ljust(25)}#{machine.state.short_description} (#{machine.provider_name})"
         end
 
         message = nil

templates/locales/en.yml

@@ -433,7 +433,9 @@ en:
           %{message}
         not_created: |-
           The environment has not yet been created. Run `vagrant up` to
-          create the environment.
+          create the environment. If a machine is not created, only the
+          default provider will be shown. So if a provider is not listed,
+          then the machine is not created for that environment.
         paused: |-
           The VM is paused. This VM may have been paused via the VirtualBox
           GUI or the VBoxManage command line interface. To unpause, please