On the svn-authz-x509 branch: Finalize JavaHL's credentials search API.

[in subversion/bindings/javahl]
* src/org/apache/subversion/javahl/SVNUtil.java,
  src/org/apache/subversion/javahl/util/ConfigLib.java
  (SVNUtil.searchCredentials): Rename subjectPattern to hostnamePattern,
   adjust semantics to match and update the docstring.

* native/org_apache_subversion_javahl_util_ConfigLib.cpp
  (Java_org_apache_subversion_javahl_util_ConfigLib_nativeSearchCredentials):
   Update implementation to match the JavaHL API semantics.

* tests/org/apache/subversion/javahl/UtilTests.java
  (UtilTests.testCredentials): Update testcase and, incidentally, test
   wildcard escaping in search patterns.


git-svn-id: https://svn.apache.org/repos/asf/subversion/branches/svn-auth-x509@1616057 13f79535-47bb-0310-9956-ffa450edef68