shrine

Pull request #1454: Feature/SHRINE2020 1512

Merge in SHRINE/shrine from feature/SHRINE2020-1512 to develop

* commit '8b47cd2f255e737672e9d040e0c69c72c9e24833':
  My review comments for SHRINE2020-1512
  Get the choice to validate hosts via config for SHRINE2020-1512
  Made Http4sHttpClient a class that can be configured differently for different servers for SHRINE2020-1512 - config next
  Separated the trust manager config for SHRINE2020-1512
  More notes for SHRINE2020-1512
  A little more clean-up for SHRINE2020-1512
  Removing some jumpers from a bug in JDK11 to tidy up before SHRINE2020-1512