added wide string support for debug output to visual studio console
removed IDL file as test
changed runtimeclass CaptureSink to CSink in IDL file
added winmd naming rules to WRL notes doc
added link to Casting C++/CX
fixed compile error: native type cannot derive from a WinRT type
added enumeration of audio devices, and test for: capture to file using new settings
eliminated namespace CaptureMediaStreamSink; all classes in sink now use same namespace
updated WRL notes
now initializes an audioStreamSink as well as a videoStreamSink