hg: jdk/sandbox: Custom integration, fix help, sort features everywhere, misc cleanup.

[magnus.ihse.bursie at oracle.com]

Changeset: 8e537589b10b
Author:    ihse
Date:      2020-02-17 14:49 +0100
URL:       https://hg.openjdk.java.net/jdk/sandbox/rev/8e537589b10b

Custom integration, fix help, sort features everywhere, misc cleanup.

! make/autoconf/configure.ac
! make/autoconf/help.m4
! make/autoconf/hotspot.m4