8178380: Module system implementation refresh (5/2017)
Reviewed-by: mchung, alanb, sspitsyn
Contributed-by: alan.bateman@oracle.com, mandy.chung@oracle.com, chris.hegarty@oracle.com

8165640: Enhance jar tool to allow module-info in versioned directories but not in base in modular multi-release jar files
Reviewed-by: psandoz, mchung

8173393: Module system implementation refresh (2/2017)
Reviewed-by: dfuchs, psandoz, mchung, alanb
Contributed-by: alan.bateman@oracle.com, mandy.chung@oracle.com, claes.redestad@oracle.com, alex.buckley@oracle.com, mark.reinhold@oracle.com, john.r.rose@oracle.com

8172432: jar cleanup/update for module and mrm jar
8171830: jar tool should validate if any exported or open package is missing
Reviewed-by: mchung, psandoz, chegar