Add set of OCSP client functions. All experimental
and subject to addition, modifcation or deletion.

Add two OCSP nonce utility functions.

Fix typo in status code name.

application needs.

Add OCSP library name to error code.

Remove extensions argument from various functions
because it is not needed with the new extension
code.

New function OCSP_cert_to_id() to convert a pair
of certificates into an OCSP_CERTID.

New simple OCSP HTTP function. This is rather primitive
but just about adequate to send OCSP requests and
parse the response.

Fix typo in CRL distribution points extension.

Fix ASN1 code so it adds a final null to constructed
strings.

currently OpenSSL itself wont compile with this set
because some old style stuff remains.

Change old functions X509_sign(), X509_verify() etc
to use new item based functions.

Replace OCSP function declarations with DECLARE macros.

Redo OCSP response printing. Remove duplicate or
obsolete code. Delete some redundant files.

are all raw print only extensions at present.

This is a little unusual because it can contain no
structure i.e. the extension OCTET STRING content
octets do not contain a DER encoded structure.

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.