Changed jtreg cpa argument to use ants path.separator so that jtreg tests will run on Windows and Linux
Changed jtreg cpa argument to use ants path.separator so that jtreg tests will run on Windows and Linux

git-svn-id: b87389f8af10e2f9bc729f716b5c5bae596a3c2c@1038552 13f79535-47bb-0310-9956-ffa450edef68

pfirmstone/river-internet,pfirmstone/river-internet,pfirmstone/river-internet,pfirmstone/JGDMS,cdegroot/river,pfirmstone/JGDMS,pfirmstone/JGDMS,trasukg/river-qa-2.2,trasukg/river-qa-2.2,cdegroot/river,pfirmstone/JGDMS