8170987: Module system implementation refresh (12/2016)
8170859: Run time and tool support for ModuleResolution
Reviewed-by: redestad, mchung, alanb
Contributed-by: alan.bateman@oracle.com, mandy.chung@oracle.com, chris.hegarty@oracle.com, mark.reinhold@oracle.com, john.r.rose@oracle.com