Updated clone operation to include copying of properties

git-svn-id: http://svn.apache.org/repos/asf/rave/trunk@1558681 13f79535-47bb-0310-9956-ffa450edef68
Updated Page template objects to support properties

git-svn-id: http://svn.apache.org/repos/asf/rave/trunk@1558686 13f79535-47bb-0310-9956-ffa450edef68