update(ics2017-pa2.3): implment 'rol', get 'microbench' passed (md5)
update(ics2017-pa2.3): implment 'rol', get 'microbench' passed (md5)

issue sabertazimi/ics-2017#2

sabertazimi/hust-lab,sabertazimi/hust-lab,sabertazimi/hust-lab,sabertazimi/hust-lab,sabertazimi/hust-lab,sabertazimi/hust-lab,sabertazimi/hust-lab,sabertazimi/hust-lab,sabertazimi/hust-lab,sabertazimi/hust-lab