The configuration process could use some more clean-ups.

them to the build environment.

the tab always looked too estoeric to my eyes while building... ;)

consistent in the source tree and replaced `/bin/rm' by `rm'.  Additonally
cleaned up the `make links' target: Remove unnecessary semicolons, subsequent
redundant removes, inline point.sh into mklink.sh to speed processing and no
longer clutter the display with confusing stuff. Instead only the actually
done links are displayed.

the main library, but only with printing at present. To see this try:
openssl x509 -in cert.pem -text
on a certificate with some extensions in it.

of 'make errors' without causing huge re-organisations of files when a new
code is added.

(including if user presses ^C)