Inadyn v1.99.13

Changes

• Add support for https://domains.google.com DDNS, by Justin McManus
• Add support for https://www.ovh.com DDNS service, by Andres Gomez
• Add support for http://dtdns.com DDNS, by Denton Gentry
• Rename NEWS.md to CHANGELOG.md and update formatting in an attempt
  to align with http://keepachangelog.com -- this also means using ISO
  date format, finally!

Fixes

• Fix issue #78: Parsing checkip responses may fail, by Andy Padavan
• Fix issue #79: Don't treat inline '#' as comment if not preceeded by
  space, by Andy Padavan