This enables us to require module versions, and to fall back to a
bundled version if the system version is too low.
Reviewed-by: Rich Salz <rsalz@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/6682)
Instead of having perl modules under test/testlib, util and util/perl,
consolidate them all to be inside util/perl.
Reviewed-by: Andy Polyakov <appro@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/4069)
