drive active demotion code - may be temporary, depends on testing

weaver/src/org/aspectj/weaver/tools/WeavingAdaptor.java

@@ -351,6 +351,7 @@ public class WeavingAdaptor implements IMessageContext {
 	private byte[] getWovenBytes(String name, byte[] bytes) throws IOException {
 		WeavingClassFileProvider wcp = new WeavingClassFileProvider(name,bytes);
 		weaver.weave(wcp);
+		weaver.getWorld().demote();
 		return wcp.getBytes();		
 	}