Made CameraNode::get/setFeature private.
Made CameraNode::get/setFeature private.

svn path=/trunk/libavg/; revision=3272

scotty007/libavg,scotty007/libavg,scotty007/libavg,libavg/libavg,libavg/libavg,yyd01245/libavg,hoodie/libavg,libavg/libavg,yyd01245/libavg,hoodie/libavg,th3infinity/libavg,th3infinity/libavg,hoodie/libavg,hoodie/libavg,yyd01245/libavg,th3infinity/libavg,yyd01245/libavg,th3infinity/libavg,scotty007/libavg,libavg/libavg