OCSP requests. It can also query reponders and parse or
print out responses.
Still needs some more work: OCSP response checks and
of course documentation.
Don't try to print request certificates if signature is not present.
Remove unnecessary test for certificates being NULL.
Fix typos in printed output.
Tidy up output.
Fix for typo in OCSP_SERVICELOC ASN1 template.
Also give a bit more info in CHANGES about the ASN1 revision.
from the print routines.
Reorganisation of OCSP code: initial print routines in ocsp_prn.c. Doesn't
work fully because OCSP extensions aren't reimplemented yet.
Implement some ASN1 functions needed to compile OCSP code.
