StringBuilderStream to replace NonClosingMemoryStream
Add IMediaConverter and ExplicitXmlConverter
Fix MediaTypeHandler tests to write out the correct type
IMediaConverter cleanup
Nuke IMediaConverter and add MediaTypeHandlerBase<TWireFormat>
Allows consistent handling of <T> vs <IEnumerable<T>>
Allows customization of just link writing with inheritance.
Cleanup Simple.Web.HalJson
Merge pull request #66 from EddieGarmon/xml-updates

Media Type Converter updates - needs review