Generified LazyDynaMap.

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/beanutils/branches/java5@1536079 13f79535-47bb-0310-9956-ffa450edef68
BasicDynaBean now uses the new DynaBeanPropertyMapDecorator in its getMap() method.

This makes it possible to expose the map as a Map<String, Object>.

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/beanutils/branches/java5@1536080 13f79535-47bb-0310-9956-ffa450edef68