8167424: Various trivial fixes in build system
Reviewed-by: erikj, tbell

8166965: Some small java build tools are still running with big JVM configuration
Reviewed-by: ihse

8157100: missing dependency in build system
Reviewed-by: tbell

8085822: JEP 223: New Version-String Scheme (initial integration)
Reviewed-by: erikj, dcubed, dholmes, alanb
Contributed-by: Kumar Srinivasan <kumar.x.srinivasan@oracle.com>, Magnus Ihse Bursie <magnus.ihse.bursie@oracle.com>

8069164: Fix langtools make build so that diagnostic framework can be used
Summary: Fix race condition between gensrc targets and output location of parseproperties task
Reviewed-by: erikj, jlahoda
Contributed-by: erik.joelsson@oracle.com

8058542: Devise scheme for better diagnostic creation
Summary: Add support for generating (at build-time) an enum-like class containing all javac diagnostics, which allows for safe diagnostic creation.
Reviewed-by: jlahoda, jjg, vromero, erikj, jfranck

8049367: Modular Run-Time Images
Reviewed-by: jlahoda, ksrini
Contributed-by: alan.bateman@oracle.com, alex.buckley@oracle.com, bradford.wetmore@oracle.com, chris.hegarty@oracle.com, erik.joelsson@oracle.com, james.laskey@oracle.com, jonathan.gibbons@oracle.com, karen.kinnear@oracle.com, magnus.ihse.bursie@oracle.com, mandy.chung@oracle.com, mark.reinhold@oracle.com, paul.sandoz@oracle.com, sundararajan.athijegannathan@oracle.com