hg: jdk9/sandbox/langtools: Merge

[magnus.ihse.bursie at oracle.com]

Changeset: f0eaf48d90d2
Author:    ihse
Date:      2015-04-10 11:34 +0200
URL:       http://hg.openjdk.java.net/jdk9/sandbox/langtools/rev/f0eaf48d90d2

Merge

- make/Makefile
- src/java.base/share/classes/jdk/Exported.java
- src/jdk.compiler/share/classes/com/sun/tools/javac/nio/JavacPathFileManager.java
- src/jdk.compiler/share/classes/com/sun/tools/javac/nio/PathFileManager.java
- src/jdk.compiler/share/classes/com/sun/tools/javac/nio/PathFileObject.java
- src/jdk.compiler/share/classes/com/sun/tools/javac/util/BaseFileManager.java
- src/jdk.javadoc/share/classes/com/sun/tools/doclets/internal/toolkit/util/PathDocFileFactory.java