8180084: A few javac tests fail on Windows when the source and jtreg work dir are not on the same drive
Reviewed-by: 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

6707032: Division by zero warning not suppressed properly in some cases
Summary: Delay reporting of the division by zero warning until annotations are resolved, so that @SuppressWarnings works correctly.
Reviewed-by: vromero

8021112: Spurious unchecked warning reported by javac
6480588: No way to suppress deprecation warnings when implementing deprecated interface
Summary: Fixing DeferredLintHandler configuration, so lint warnings are reported with correct @SuppressWarnings settings
Reviewed-by: jjg, vromero