hg: penrose/penrose: 1. Update Penrose demos to support JSON format module info.

[zhangshj at linux.vnet.ibm.com]

Changeset: 39373c36d5e6
Author:    Shi Jun Zhang <zhangshj at linux.vnet.ibm.com>
Date:      2012-07-03 15:43 +0800
URL:       http://hg.openjdk.java.net/penrose/penrose/rev/39373c36d5e6

1. Update Penrose demos to support JSON format module info.
2. Update modulebrowser demo to avoid NPE.

! demo/classloader/README
! demo/classloader/build.sh
+ demo/classloader/src/classloader/META-INF/module-info.json
+ demo/classloader/src/foo/META-INF/module-info.json
! demo/java2d/README
+ demo/java2d/src/resource/java2d.demos.arcs/META-INF/module-info.json
+ demo/java2d/src/resource/java2d.demos.clipping/META-INF/module-info.json
+ demo/java2d/src/resource/java2d.demos/META-INF/module-info.json
! demo/modulebrowser/build.sh
+ demo/modulebrowser/src/META-INF/module-info.json
! demo/modulebrowser/src/demo/modulebrowser/LibraryNode.java
! demo/modulebrowser/src/demo/modulebrowser/ModuleNode.java
! demo/modulebrowser/src/demo/modulebrowser/RequiresNode.java