This will replace the two or three kludgy methods in CertificateManager
that currently validate hostnames. In the process it fixes some fun
problems that could arise if the subject of a certificate contained
regex quote sequences (\Q...\E).
Issue #806
Stop swimming against the tide and accept what most of the rest of
the world does.
While it adds an annoying depth to the actual source code, it makes
the root directory nicer (no more 'test-res' dirs), means we don't
have to override the gradle config, and makes it nicer to work in
IDEA 2016.1.