hg: jdk9/sandbox/langtools: command and file docs

[stuart.marks at oracle.com]

Changeset: f31338f96ad8
Author:    smarks
Date:      2016-06-07 18:50 -0700
URL:       http://hg.openjdk.java.net/jdk9/sandbox/langtools/rev/f31338f96ad8

command and file docs

! src/jdk.jdeps/share/classes/com/sun/tools/jdeprfind/JDeprFind.java
+ src/jdk.jdeps/share/classes/com/sun/tools/jdeprfind/readme.md
- src/jdk.jdeps/share/classes/com/sun/tools/jdeprfind/readme.txt