Add 'Managed by Puppet' template headers

Fixes GH-594
Fixes GH-601

Author: baurmatt

templates/_header.erb

@@ -1,3 +1,6 @@
+#
+# Managed by Puppet
+#
 [Unit]
 Description=Systemd Timer Service for Puppet Agent
 

templates/agent/systemd.puppet-run.service.erb

@@ -1,3 +1,6 @@
+#
+# Managed by Puppet
+#
 [Unit]
 Description=Systemd Timer for Puppet Agent
 

templates/agent/systemd.puppet-run.timer.erb

@@ -1,3 +1,6 @@
+#
+# Managed by Puppet
+#
 # This is the default auth.conf file, which implements the default rules
 # used by the puppet master. (That is, the rules below will still apply
 # even if this file is deleted.)

templates/auth.conf.erb

@@ -1,4 +1,6 @@
+#
 # Managed by Puppet
+#
 <% scope.lookupvar("puppet::server::autosign_entries").each do |entry| -%>
 <%= entry %>
 <% end -%>

templates/server/autosign.conf.erb

@@ -1,3 +1,6 @@
+#
+# Managed by Puppet
+#
 <% if @manifest -%>
 manifest = <%= @manifest %>
 <% end -%>

templates/server/environment.conf.erb

@@ -1,7 +1,7 @@
-<% @template_header = ''
-ERB.new(File.read(File.expand_path("../_header.erb",File.dirname(file))), nil, nil, "@template_header").result(binding) -%>
 #!/usr/bin/env ruby
-<%= @template_header %>
+#
+# Managed by Puppet
+#
 
 require 'fileutils'
 require 'etc'

templates/server/post-receive.erb

@@ -1,3 +1,6 @@
+#
+# Managed by Puppet
+#
 authorization: {
     version: 1
     allow-header-cert-info: <%= @server_http || @allow_header_cert_info %>

templates/server/puppetserver/conf.d/auth.conf.erb

@@ -1,3 +1,6 @@
+#
+# Managed by Puppet
+#
 # settings related to metrics
 metrics: {
     # a server id that will be used as part of the namespace for metrics produced

templates/server/puppetserver/conf.d/metrics.conf.erb

@@ -1,3 +1,6 @@
+#
+# Managed by Puppet
+#
 product: {
   # automatic update checks and corresponding analytic data collection
   check-for-updates: <%= @server_check_for_updates %>