patch by Stefano Sabatini, stefano.sabatini-lala poste.it
along with some spelling/consistency fixes for the long names by me
Originally committed as revision 13649 to svn://svn.ffmpeg.org/ffmpeg/trunk
The only reason why it does not break them is that flv has the same score
and happens to be first in the list.
Originally committed as revision 12834 to svn://svn.ffmpeg.org/ffmpeg/trunk