Finalize the JavaHL API changes for 1.9.

[in subversion/bindings/javahl]
* src/org/apache/subversion/javahl/ISVNClient.java,
  src/org/apache/subversion/javahl/SVNClient.java
  (ISVNClient.info2): Remove the overload that was added on trunk and then
   replaced by ISVNClient.info.
  (ISVNClient.cleanup): Add new overload that matches svn_client_cleanup2.
  (ISVNClient.vacuum): New function, matches svn_client_vacuum.

* native/SVNClient.h, native/SVNClient.cpp
  (SVNClient::cleanup): Update prototype and implementation.
  (SVNClient::vacuum): New method.

* native/org_apache_subversion_javahl_SVNClient.cpp
  (Java_org_apache_subversion_javahl_SVNClient_cleanup):
   Update native method wrapper implementation.
  (Java_org_apache_subversion_javahl_SVNClient_vacuum):
   Implement native method wrapper.

* tests/org/apache/subversion/javahl/BasicTests.java
  (BasicTests.collectInfos): Use ISVNClient.info instead of ISVNClient.info2.


git-svn-id: https://svn.apache.org/repos/asf/subversion/trunk@1604449 13f79535-47bb-0310-9956-ffa450edef68