12.0.0 Release

Do to the removal of the xml provisioning api we have to switch to version 12.0.0

We did remove all xml based provision api, since they don't work
in many cases, we use JSON now

• The getQuota() method now returns an Optional, to handle the case
  when no quota is set at all (Allowing unlimited storage)
  Thanks @kriszman for the patches
  • Fix downloadFolder() when having special chars in folder name(s)
    Thanks to flelayo (Issue #71)
  • Adding bearer authentication (Constructors got lost in merge)
  • Added support for user quota field, pull request #70, thanks to kriszman
  • Fix downloaded file name if URI encoded values are returned, use request file name
    Thanks to flelayo for the fix to issue #69

Full Changelog: 11.6.0...12.0.0