MFH: check_leftovers: Show modified output

nmtree:
  ====>> Files or directories modified:
  @dirrm %%DOCSDIR%% gid (82, 0)
  @dirrm /var/qmail gid (82, 0)
nmtree:
  ====>> Files or directories modified:
  @dirrm %%DOCSDIR%% gid expected 82 found 0
  @dirrm /var/qmail gid expected 82 found 0
MFH: Hide pkg_install EOL warnings when testing
MFH: Use stage-qa now instead of our own symlink checking