FM-2130 Move cache file to non temp directory

Author: Travis Fields

lib/facter/facter_dot_d.rb

@@ -15,7 +15,7 @@
 class Facter::Util::DotD
   require 'yaml'
 
-  def initialize(dir="/etc/facts.d", cache_file="/tmp/facts_cache.yml")
+  def initialize(dir="/etc/facts.d", cache_file="#{Puppet[:libdir]}facts.cache")
     @dir = dir
     @cache_file = cache_file
     @cache = nil