intelli_plug: use rq_stats to help detect artificial or constant loads

benchmarks often create fake / artificial loads at a constant rate.  These
type of loads are not detected corectly by run average algorithms. Use
the run queue stats to help detect these cases and bring up the cores in
correspondence.

bump version to 1.2

Change-Id: I9e58514b98c79d51434f7a1b91da2e61029d4e13
Signed-off-by: faux123 <reioux@gmail.com>