Rather than embedding XML and JSON support within fog-core, this is the
start of extracting them to exist alongside core.
That will move the responsibility to each provider to declare if they want
XML or JSON services.
Goal being as we move towards a modular fog this allows providers to
require core and either JSON or XML gems and not pick up dependencies
only required by the other.
When parsing a Route53 DNS record containing a " such as
"v=DKIM1; k=rsa; p=MIGfMA0GCSqG....x59/8qdGvAo+S5xwIDAQAB", the parser just retains the last double quote.
