Merge pull request #378 in ZP/z-push from ~C0D3Z3R0/z-push:bugfix/ZP-1056-authorization-encoding to bugfix/ZP-1056-authorization-conversion-not-working

* commit '2bdede8b':
  ZP-1056 Fix authorization encoding and also add it to autodiscover. Released under the Affero GNU General Public License (AGPL) version 3.