other RFs

git-svn-id: https://svn.apache.org/repos/asf/james/hupa/trunk@1522173 13f79535-47bb-0310-9956-ffa450edef68
fix some bugs related to RF, and try to use new CellView to replace gwt-incubator

git-svn-id: https://svn.apache.org/repos/asf/james/hupa/trunk@1522175 13f79535-47bb-0310-9956-ffa450edef68