hg: jdk9/sandbox: Merge from default

[erik.joelsson at oracle.com]

Changeset: 8c1ee54fa080
Author:    erikj
Date:      2016-11-28 12:11 +0100
URL:       http://hg.openjdk.java.net/jdk9/sandbox/rev/8c1ee54fa080

Merge from default

! .hgignore
! common/autoconf/basics.m4
! common/autoconf/generated-configure.sh
! common/autoconf/spec.gmk.in
- make/CreateHgtipFiles.gmk
! make/Main.gmk
- make/common/CORE_PKGS.gmk
- make/common/NON_CORE_PKGS.gmk
! make/jprt.properties