Update JavaHL to support the 1.8 allow_mixed_revisions flag to move.

[In subversion/bindings/javahl]

* native/SVNClient.h
* native/SVNClient.cpp
  (SVNClient::move): Add allowMixRev parameter.

* native/org_apache_subversion_javahl_SVNClient.cpp
  (Java_org_apache_subversion_javahl_SVNClient_move): Add allowMixRev
   parameter.

* src/org/apache/subversion/javahl/ISVNClient.java
  (ISVNClient.move): Add allowMixRev parameter.

* src/org/apache/subversion/javahl/SVNClient.java
  (SVNClient.move): Add allowMixRev parameter.

* src/org/tigris/subversion/javahl/SVNClient.java
  (SVNClient.move): Pass true for allowMixRev.

* tests/org/apache/subversion/javahl/BasicTests.java
  (BasicTests.testMove, BasicTests.testTreeConflict): Pass false for
   allowMixRev.


git-svn-id: https://svn.apache.org/repos/asf/subversion/trunk@1456006 13f79535-47bb-0310-9956-ffa450edef68