Print out where the junit-test-report is written to

git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1860687 13f79535-47bb-0310-9956-ffa450edef68

build.xml

@@ -1525,6 +1525,7 @@ under the License.
           </fileset>
           <report format="frames" todir="build/report"/>
         </junitreport>
+        <echo message="Published results from tests at build/report/index.html"/>
     </target>
 
     <target name="-test-property-check" unless="testcase">