Align with 0.9.6-stable CHANGES file, and make some corrections.

     and with pssibilities to have yes/no kind of prompts.

     [Richard Levitte]

  *) Change all calls to low level digest routines in the library and

  +) Change all calls to low level digest routines in the library and

     applications to use EVP. Add missing calls to HMAC_cleanup() and

     don't assume HMAC_CTX can be copied using memcpy().

     [Verdon Walker <VWalker@novell.com>, Steve Henson]

     a window system and the like.

     [Richard Levitte]

  *) Fix various bugs related to DSA S/MIME verification. Handle missing

     parameters in DSA public key structures and return an error in the

     DSA routines if parameters are absent.

     [Steve Henson]

  *) In versions up to 0.9.6, RAND_file_name() resorted to file ".rnd"

     in the current directory if neither $RANDFILE nor $HOME was set.

     RAND_file_name() in 0.9.6a returned NULL in this case.  This has

     ENGINE structure.

     [Geoff]

  *) Fix various bugs related to DSA S/MIME verification. Handle missing

     parameters in DSA public key structures and return an error in the

     DSA routines if parameters are absent.

     [Steve Henson]

  +) Fix ASN1 decoder when decoding type ANY and V_ASN1_OTHER: since this

     needs to match any other type at all we need to manually clear the

     tag cache.

  *) Fix X509_NAME bug which produced incorrect encoding if X509_NAME

     was empty.

     [Steve Henson]

     [This change does not apply to 0.9.7.]

  *) Use the cached encoding of an X509_NAME structure rather than