BeanHelper now provides a method for copying properties.

This method uses the internal PropertiesUtilsBean instance, so that enhanced
introspection is enabled. This is needed to deal with parameters objects
which have a fluent API.

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/configuration/trunk@1553027 13f79535-47bb-0310-9956-ffa450edef68
CopyObjectDefaultHandler now uses BeanHelper for copying properties.

This method handles parameters object with a fluent API correctly.

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/configuration/trunk@1553028 13f79535-47bb-0310-9956-ffa450edef68