hg: jdk9/sandbox/langtools: doc updates; adjust --list to work with --for-removal

[stuart.marks at oracle.com]

Changeset: d0f921a46bea
Author:    smarks
Date:      2016-07-12 17:17 -0700
URL:       http://hg.openjdk.java.net/jdk9/sandbox/langtools/rev/d0f921a46bea

doc updates; adjust --list to work with --for-removal

! src/jdk.jdeps/share/classes/com/sun/tools/jdeprscan/Main.java
! src/jdk.jdeps/share/classes/com/sun/tools/jdeprscan/readme.md
! src/jdk.jdeps/share/classes/com/sun/tools/jdeprscan/resources/jdeprscan.properties