[26] Added documentation and Makefile.

Signed-off-by: Bert Timmerman <bert.timmerman@xs4all.nl>
[26] Modified titles.

Signed-off-by: Bert Timmerman <bert.timmerman@xs4all.nl>
[26] Added 26.006.00.01.53.sch.

Signed-off-by: Bert Timmerman <bert.timmerman@xs4all.nl>
[26] Renamed gschem files.

Signed-off-by: Bert Timmerman <bert.timmerman@xs4all.nl>