See #1782.
This check runs first a test against a SSLv2 only server which is using the supplied binary
(openssl s_server). Then it runs a almost full run.
* Works: the whole thing
* Works not yet: comparison (filtering needed)
* not nice: the perl style using system calls, especially the process handling
(tried open3 and using $ENV but didn't succeed). fork() probably could work too,
but that's required more perl skills than I have ;-)
