PR: 156

don't take an ENGINE* as parameter any more.
PR: 156

docs. There were a couple of other places (including RSA) where the docs
were not quite synchronised with the API that are now fixed. One or two
still remain to be fixed though ...

At the same time, add VMS support for Rijndael.

* speed processes any/all options passed to it, not just one.
* DH and DSA have no "_get_method()" functions, only RSA does.
* typos.

pages into one for improved readability, add lhash manpage

New function BN_pseudo_rand().
Use BN_prime_checks_size(BN_num_bits(w)) rounds of Miller-Rabin when
generating DSA primes (why not use BN_is_prime()?)