manpage NAME sections inconsistent with convention

[marekkowalczyk]

man mp4art

IS:

MP4ART(1)                                            MP4v2 Utilities                                           MP4ART(1)



NAME
       mp4art - manual page for mp4art - MP4v2 2.0.0

SHOULD:

MP4ART(1)                                            MP4v2 Utilities                                           MP4ART(1)



NAME
       mp4art -- manipulate covr-boxes in mp4 (m4a) files

Similar issues with mp4file, mp4subtitle, mp4track