Check that the hostname can be resolved by the native resolver.
What normally has happened when it cannot is that gethostname()
returned a fqdn and `hostname -s` is not part of /etc/hosts.
This is solved on the erlang side by adding `hostname -s` to inet_db,
but java does not have a similar mechanism, so it fails when
it tries to connect to `hostname -s`.

This caused jinterface tests to fail when run in such an environment,
and travis-ci recently started doing this.

* henrik/update-copyrightyear:
  update copyright-year

As a first step to removing the test_server application as
as its own separate application, change the inclusion of
test_server.hrl to an inclusion of ct.hrl and remove the
inclusion of test_server_line.hrl.

This is a regression of 4390e43558 in the OtpOutputStream class.

We can not call java.util.zip.DeflaterOutputStream.close() in the finally
block of the OtpOutputStream.write_compressed(OtpErlangObject, int) method.
This leads to a NullPointerException when encoding "{}" which is caused by
the DeflaterOutputStream trying to write bytes to the deflater which was
"destroyed" by calling java.util.zip.Deflater.end().
Further possibilities to call close() in the finally block are not suitable
either (see the comment in the source). This leaves no choice but to revert
the change from 4390e43558 in this class (and add an appropriate test case).

* x0id/jinterface_generic_match:
  jinterface: match/bind added to OtpErlangObject
  fix typo error from recent merge

OTP-12691