Downgrade mysql cookbook for now

It doesn't play well with our current dev server setup

cookbooks/iis/libraries/helper.rb

@@ -2,10 +2,7 @@
 # Cookbook:: iis
 # Library:: helper
 #
-# Author:: Julian C. Dunn <jdunn@chef.io>
-# Author:: Justin Schuhmann <jmschu02@gmail.com>
-#
-# Copyright:: 2013-2016, Chef Software, Inc.
+# Copyright:: 2017, Chef Software, Inc.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
@@ -73,7 +70,25 @@ module Opscode
                  Chef::Util::PathHelper.cleanpath(path)
                end
         # Remove any trailing slashes to prevent them from accidentally escaping any quotes.
-        path.chomp('/').chomp('\\')
+        path.tr('/', '\\')
+      end
+
+      def application_cleanname(application_name)
+        if application_name.count('/') == 0
+          "#{application_name}/"
+        elsif application_name.count('/') > 1
+          application_name.chomp('/')
+        else
+          application_name
+        end
+      end
+
+      def value(document, xpath)
+        XPath.first(document, xpath).to_s
+      end
+
+      def bool(value)
+        value == 'true'
       end
 
       def new_value?(document, xpath, value_to_check)