* ./src/video_output/video_output.c: fixed the "picture has invalid status"

  * ./src/video_output/video_output.c: fixed the "picture has invalid status"
    bug which might have been the cause of crashes.
  * ./plugins/filter/crop.c: attempt at an automatic border cropping filter,
    using "--filter crop --autocrop".
  * ./vlc.spec: added missing filters to the RPM generation.
  * ./src/misc/objects.c: commented all functions.
  * ./src/misc/objects.c: implemented vlc_object_find( , , FIND_ANYWHERE).
  * ./src/misc/objects.c: renamed vlc_object_unlink to vlc_object_detach.