vf_showinfo: print display transformation values
lavf: group dump functions together
Merge commit '5a69ded12aaf2bd3baed5d1d644ef23cfecef87f'

* commit '5a69ded12aaf2bd3baed5d1d644ef23cfecef87f':
  vf_showinfo: print display transformation values

Merged-by: Michael Niedermayer <michaelni@gmx.at>
Merge commit '2dc265619a2fc9c6f9aff7ac2bcdbcb90e9610cb'

* commit '2dc265619a2fc9c6f9aff7ac2bcdbcb90e9610cb':
  lavf: group dump functions together

Conflicts:
	libavformat/utils.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>
avformat/dump: put copyright back from the file from which dump.c was split out

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>