8169069: Module system implementation refresh (11/2016)
Reviewed-by: plevart, chegar, psandoz, mchung, alanb, dfuchs, naoto, coffeys, weijun
Contributed-by: alan.bateman@oracle.com, mandy.chung@oracle.com, claes.redestad@oracle.com, mark.reinhold@oracle.com

8166948: Exploded image too slow to be usable
Reviewed-by: alanb, mchung, ihse