ssl: ssl3_pad_1 and ssl3_pad_2 must be const
constify tls 1.2 lookup tables.

None of this should live in writable memory
remove duplicate defines
Fix cast of boolean where cast of LHS intended.
correct organizationalUnitName
Correct the return type on the signature for X509_STORE_CTX_get_ex_data given in the pod file.
typo in s_client
Add missing =back in pod file.
Document openssl dgst -hmac option

I've committed the thing below in MirBSD; since the apps code
changes very little between OpenSSL versions, it will probably
apply to the Debian package as well. I'm open for better wor-
ding though, especially considering the FIPS option, which I
found as undocumented too.
typo in SSL_get_peer_cert_chain docs

RT: 3304