DERBY-6945: Add a top level target for running a single JUnit test class with the modulepath; commit derby-6945-62-aa-runOneJUnitTestWithModulePath.diff.
DERBY-6945: Add a top level target for running a single JUnit test class with the modulepath; commit derby-6945-62-aa-runOneJUnitTestWithModulePath.diff.

git-svn-id: 2c06e9c5008124d912b69f0b82df29d4867c0ce2@1848228 13f79535-47bb-0310-9956-ffa450edef68

apache/derby,apache/derby,apache/derby,apache/derby