On the javahl-1.8-extensions branch: Synced JavaHL with trunk up to r1534680.
The change in auth provider registration is ommitted on purpose.

git-svn-id: https://svn.apache.org/repos/asf/subversion/branches/javahl-1.8-extensions@1534681 13f79535-47bb-0310-9956-ffa450edef68