hg: jdk9/sandbox/nashorn: Merge

[stuart.marks at oracle.com]

Changeset: 61fabc88cf8f
Author:    smarks
Date:      2015-11-20 15:54 -0800
URL:       http://hg.openjdk.java.net/jdk9/sandbox/nashorn/rev/61fabc88cf8f

Merge

- src/jdk.scripting.nashorn/share/classes/jdk/nashorn/internal/runtime/NumberToString.java