Added duration-bytes and duration-nanos properties to support running in standalone mode from webkit.  Also fix segfault when performing gst-inspect.
Added "is-seekable" property to support seeking from webkit.
Got rid of unnecessary ? TRUE : FALSE.  Fixed up a log message to be consistent within the method.
Merge pull request #124 from cablelabs/dlnasrc-56-duration-props

Added duration-bytes and duration-nanos properties to support running in...