Adjust VMS build to Unix build. Most of all, make it so the disabled

algorithms MD2 and RC5 don't get built.
Also, disable building the test apps in crypto/des and crypto/pkcs7, as
they have no support at all.

Reviewed-by: Tim Hudson <tjh@openssl.org>

Conflicts:
	crypto/crypto-lib.com
	makevms.com
	ssl/ssl-lib.com