fix unicode behavior with Jython, cleanup
fix unicode behavior with Jython, cleanup

ldtri0209/robotframework,waldenner/robotframework,fiuba08/robotframework,ldtri0209/robotframework,waldenner/robotframework,fiuba08/robotframework,waldenner/robotframework,fiuba08/robotframework,waldenner/robotframework,ldtri0209/robotframework,fiuba08/robotframework,ldtri0209/robotframework,ldtri0209/robotframework,fiuba08/robotframework,waldenner/robotframework