remove the cursor pointer style in the attachment box

git-svn-id: https://svn.apache.org/repos/asf/james/hupa/trunk@1522395 13f79535-47bb-0310-9956-ffa450edef68
change a new start at tree view model

git-svn-id: https://svn.apache.org/repos/asf/james/hupa/trunk@1522396 13f79535-47bb-0310-9956-ffa450edef68