hg: jdk9/sandbox: 8153243: make docs should generate JShell API docs

[chris.hegarty at oracle.com]

Changeset: a82fbccf2e7e
Author:    jlahoda
Date:      2016-04-08 11:51 +0200
URL:       http://hg.openjdk.java.net/jdk9/sandbox/rev/a82fbccf2e7e

8153243: make docs should generate JShell API docs
Reviewed-by: erikj

! make/Javadoc.gmk
! make/common/NON_CORE_PKGS.gmk