hg: jdk/sandbox: 8199266: Update boot and build jdk requirements in configure

[chris.hegarty at oracle.com]

Changeset: 436f1e03fd04
Author:    erikj
Date:      2018-03-08 22:17 +0100
URL:       http://hg.openjdk.java.net/jdk/sandbox/rev/436f1e03fd04

8199266: Update boot and build jdk requirements in configure
Reviewed-by: ihse, tbell

! doc/building.html
! doc/building.md
! make/autoconf/boot-jdk.m4
! make/autoconf/version-numbers