hg: jdk9/sandbox: 2 new changesets

[erik.joelsson at oracle.com]

Changeset: 2c8e052fe9e8
Author:    erikj
Date:      2015-10-12 12:02 +0200
URL:       http://hg.openjdk.java.net/jdk9/sandbox/rev/2c8e052fe9e8

Initial changes for erikj-buildwrapper


Changeset: a456d3800706
Author:    erikj
Date:      2015-10-12 12:38 +0200
URL:       http://hg.openjdk.java.net/jdk9/sandbox/rev/a456d3800706

First take at buildwrapper configuration

+ buildwrapper.properties
! common/autoconf/basics.m4
! common/autoconf/generated-configure.sh