use the trust binary instead of p11-kit to extract trust
don't remove symlinks to other locations in /etc/ssl/certs

As per discussion on the Factory list we should output a warning all the time instead of removing symlinks
fix gnutls function name
remove old extractcerts.pl

Package now uses certdata2pem.py
more reliable globbing

Looks like perl's default globbing behavior has changed last versions. It's
more safe to use File::Glob ':glob' and glob() instead of <>.
Now we are portable again for old suse versions (e.g. 11.4).