8170987: Module system implementation refresh (12/2016)
Reviewed-by: mcimadamore
Contributed-by: jonathan.gibbons@oracle.com, jan.lahoda@oracle.com, srikanth.adayapalam@oracle.com, alan.bateman@oracle.com, mandy.chung@oracle.com

8169069: Module system implementation refresh (11/2016)
Reviewed-by: mcimadamore, jjg, mchung, anazarov
Contributed-by: jonathan.gibbons@oracle.com, jan.lahoda@oracle.com, alan.bateman@oracle.com, mandy.chung@oracle.com, bhavesh.x.patel@oracle.com, andrey.x.nazarov@oracle.com

8153362: Add javac -Xlint warning to list exposed types which are not accessible
Summary: Adding implementation to -Xlint:exports, to warn about exposing inaccessible types in API
Reviewed-by: jjg