Expose and use the 'url' member of svn_wc_notify_t in JavaHL.

[in subversion/bindings/javahl]
* src/org/apache/subversion/javahl/ClientNotifyInformation.java
  (ClientNotifyInformation.path, ClientNotifyInformation.url): New members.
  (ClientNotifyInformation.ClientNotifyInformation): Add url parameter
   and use it when initializing the superclass.
   Update version info in docstring.
   Remove the now-redundant protected constructor and add a backwards
   -compatilbe constructor.
  (ClientNotifyInformation.getNotifiedPath): New.
  ClientNotifyInformation.getUrl): New.

* native/CreateJ.cpp (CreateJ::ClientNotifyInformation):
   Update to new constructor signature.


git-svn-id: https://svn.apache.org/repos/asf/subversion/trunk@1539601 13f79535-47bb-0310-9956-ffa450edef68