Update Services.inc add Cloudflare DYNDNS

Add Cloudflare to the list of DYNDNS services
Update dyndns.class add CloudFlare

Add CloudFlare Support to dyndns.class
Update dyndns.class

Minor Style Change
Update dyndns.class

Remove unneeded test variable.
Update dyndns.class

Fix Tabs
Merge pull request #663 from arsenetar/master

Add CloudFlare Dynamic DNS Service Support