8164618: add documentation for NativeNumber and NativeBoolean
Reviewed-by: sundar
Contributed-by: srinivas.dama@oracle.com

8162771: Strict equality operators should not be optimistic
Reviewed-by: jlaskey, sundar

8151700: Add support for ES6 for-of
Reviewed-by: attila, sundar

8134502: introduce abstraction for basic NodeVisitor usage
Reviewed-by: lagergren, sundar

8055917: jdk.nashorn.internal.codegen.CompilationPhase$N should be renamed to proper classes
Reviewed-by: attila, hannesw

8059844: Implement optimistic splitter
Reviewed-by: hannesw, lagergren

8054834: Modular Source Code
Reviewed-by: alanb, chegar, ihse, mduigou
Contributed-by: alan.bateman@oracle.com, alex.buckley@oracle.com, chris.hegarty@oracle.com, erik.joelsson@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