init: initialize yuv decoder project.

Signed-off-by: Teng Yiliang <yiliang.teng@intel.com>
optimize yuvdecoder.py, add Qt based display UI.

Signed-off-by: Teng Yiliang <yiliang.teng@intel.com>
show yuv decoder directly, skip picture viewer panel.

Signed-off-by: Teng Yiliang <yiliang.teng@intel.com>
remove picpanel related source code, add timer enabled flag for
play/stop status tracing.

Signed-off-by: Teng Yiliang <yiliang.teng@intel.com>
rename to YUVUtil.py

Signed-off-by: Teng Yiliang <yiliang.teng@intel.com>
use configparser to record the yuv parser setting, for next quick
launch.

Signed-off-by: Teng Yiliang <yiliang.teng@intel.com>