* ia/ssh/backport/OTP-12884:
  ssh: Fix test case issue
  ssh: Use old crypto with newer ssh

The test case is not prepared to receive is_dir messages,
and the same line is commented out in 18.

If a wrapper script is used to open a privileged port before starting
erlang and supplied as a init argument to erlang it should override
the port configured by the httpd config file. Some of the code handling
this was lost, in the commit da3797589463002f28fc42ef27872650fe1de938,
due to missing tests of this functionality.

This commit adds the code for this in a better place.
In 18 also add a test.

Many issues with previous process design, causing for instance process leaks,
are compleatly gone in the redesigned ssh-3.0 and later.
This is a backport of newer ssh design to R15B

Conflicts:
	lib/ssl/src/ssl_handshake.erl
	lib/ssl/test/ssl_basic_SUITE.erl