8153391: an image created for \"jdk.compiler\" fails to run javac
Summary: Improving errors produced by javac when the zipfs implementation is missing in the JDK image.
Reviewed-by: jjg

8149843: StandardJavaFileManager should provide a way to get paths from strings
8150111: Need to change signature of StandardJavaFileManager.setLocationFromPaths
Reviewed-by: vromero, jlahoda

8036952: copyright issues in jdk9/dev/langtools files
Summary: Updated copyright notices.
Reviewed-by: jjg, jlahoda

8059976: Convert JavacFileManager to use java.nio.file internally
Reviewed-by: jlahoda

8061876: replace java.io.File with java.nio.file.Path (again)
Reviewed-by: ksrini, jlahoda

8061723: 8060056 breaks tests on Windows
Reviewed-by: darcy

8060056: replace java.io.File with java.nio.file.Path
Reviewed-by: ksrini, jlahoda

8055500: fix for 8030046 is incorrect
Reviewed-by: jjg, ksrini

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