doc: Building working scute.info with images.
* doc/Makefile.am (infoimagedir): Define. (images): Put images under "images/". (dist_infoimage_DATA): Define. * doc/images: Move images here. * doc/scute.texi: Fix references to images.
scute.info and scute.pdf now work well.
Further changes will be needed for scute.html.
- Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>
