fixed issue#67; fixed issue#69 (with default select inbox folder); fixed issue#70;

git-svn-id: https://svn.apache.org/repos/asf/james/hupa/trunk@1522397 13f79535-47bb-0310-9956-ffa450edef68
compize the label list

git-svn-id: https://svn.apache.org/repos/asf/james/hupa/trunk@1522398 13f79535-47bb-0310-9956-ffa450edef68