hg: jigsaw/jake: Re-apply 8153261

[alan . bateman]

Changeset: 108a18872c67
Author:    alanb
Date:      2016-04-08 10:53 +0100
URL:       http://hg.openjdk.java.net/jigsaw/jake/rev/108a18872c67

Re-apply 8153261

! make/Images.gmk