Made ant target 'junit-test' produce a report like all the other
junit ant targets. The report is useful because for a test class
with many sub-tests, the report clearly explains which sub-tests
failed. Unlike other ant junit targets, this target also produce
a plain text report. The plain text report is useful for running
a single test in a loop until it fails.
Clarified the help message for the 'junit-test' ant target.
+ <targetname="junit-test"depends="build, buildtest, contrib-jar"description="Run single junit test for class ClassName with -Dtest.name=[ClassName] (Note: Use the class name, not the file name with the .java extension)">