Merge pull request #14 from bmjen/spec_helper_local

(maint) Adds spec_helper_local support to spec_helper.rb

moduleroot/spec/spec_helper.rb.erb

 require 'puppetlabs_spec_helper/module_spec_helper'
 require 'rspec-puppet-facts'
+
+begin
+  require 'spec_helper_local' if File.file?(File.join(File.dirname(__FILE__), 'spec_helper_local.rb'))
+rescue LoadError => loaderror
+  warn "Could not require spec_helper_local: #{loaderror.message}"
+end
+
 include RspecPuppetFacts
 
 default_facts = {