Add SSL_OP_NO_TLSv1_1 and SSL_OP_NO_TLSv1_2
Document that SSL_OP_NO_SSLv2 is a no-op now
More KNF.
The internal ssl2_* functions and variables are gone
egd is gone
We'll interpret a (void) cast on snprintf() to mean it's been verified that
truncation is either desirable, not an issue, or is detected and handled later

ok deraadt@
unifdef ENOTDIR, everyone has it
malloc + strlcpy -> strdup