hg: jdk9/sandbox/langtools: Merge

[roger.riggs at oracle.com]

Changeset: a4b92d5a0997
Author:    rriggs
Date:      2015-04-03 16:17 -0400
URL:       http://hg.openjdk.java.net/jdk9/sandbox/langtools/rev/a4b92d5a0997

Merge

- make/Makefile
- 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