Documented VideoNode.getContainerFormat().
Documented VideoNode.getContainerFormat().

svn path=/trunk/libavg/; revision=7974

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