core: Move WaitForCommunicator to backports and make it generic

lib/vagrant-backports/action/wait_for_communicator.rb

@@ -1,8 +1,7 @@
-# This acts like a backport of Vagrant's built in action from 1.3+ for older versions
-# and will probably be deprecated on 0.8+
+# This acts like a backport of Vagrant's built in action from 1.3+ for previous version
 #   https://github.com/mitchellh/vagrant/blob/master/lib/vagrant/action/builtin/wait_for_communicator.rb
 module Vagrant
-  module LXC
+  module Backports
     module Action
       class WaitForCommunicator
         def initialize(app, env)
@@ -21,7 +20,7 @@ module Vagrant
           max_tries = @env[:machine].config.ssh.max_tries.to_i
           max_tries.times do |i|
             if @env[:machine].communicate.ready?
-              @env[:ui].info I18n.t("vagrant_lxc.messages.container_ready")
+              @env[:ui].info 'Machine booted and ready!'
               return true
             end
 
@@ -39,3 +38,5 @@ module Vagrant
     end
   end
 end
+
+Vagrant::Action::Builtin.const_set :WaitForCommunicator, Vagrant::Backports::Action::WaitForCommunicator

locales/en.yml

@@ -15,8 +15,6 @@ en:
       # TODO: Remove the following keys after we drop support for vagrant < 1.3
       waiting_for_start: |-
         Waiting for container to start. This should not take long.
-      container_ready: |-
-        Container started and ready for use!
       warn_networks: |-
         Warning! The LXC provider doesn't support any of the Vagrant public / private
         network configurations (ex: `config.vm.network :private_network, ip: "some-ip"`).