hg: build-infra/jdk7: Improved compareimages.sh now compares contents of zips, jars, libraries

[fredrik.ohrstrom at oracle.com]

Changeset: 507374d896b3
Author:    ohrstrom
Date:      2011-11-29 15:52 +0100
URL:       http://hg.openjdk.java.net/build-infra/jdk7/rev/507374d896b3

Improved compareimages.sh now compares contents of zips,jars,libraries
and executables.

! common/bin/compareimage.sh
+ common/bin/diffexec.sh
! common/bin/diffjarzip.sh
! common/bin/difflib.sh
! common/make/JavaCompilation.gmk