Converted the logging to GStreamer methods.
Merge pull request #2 from cablelabs/gst-logging

Converted the logging to GStreamer methods.
Modified logging categories so shared library files use same category as dtcpip plugin.  This eliminated logging errors.
Merge pull request #3 from cablelabs/gst-logging

Modified logging categories so shared library files use same category as...
Log message level change only - set log msg level to LOG from ERROR when pushing buffer does not return OK to be more consistent with other gstreamer elements.
Merge pull request #5 from cablelabs/master

Pull updates from master. We need updated gst-plugins-dtcpip for CVP2 plugfest36 effort.