Changelog/20111001

= Changelog: Service Update October 1, 2011 =

Summary: Microdata compatibility, alignment with schema.org, examples, minor extensions, polishing


 * 1) Made GoodRelations fully usable in Microdata syntax.
 * 2) Added a mapping to the most relevant schema.org classes Person, Organization, Product, Place, and Offer; and for the properties description, image, name, productID, and manufacturer.
 * 3) Added and bugfixed lots of examples in Microdata, RDFa, and Turtle syntax
 * 4) Added an rdfs:domain to gr:name and gr:description (important for Microdata scenarios)
 * 5) Added new sections to HTML - "Conceptual Overview" and "Microdata Usage"