i124623 - Dispose extension's Options page to avoid memory leaks

git-svn-id: https://svn.apache.org/repos/asf/openoffice/trunk@1585624 13f79535-47bb-0310-9956-ffa450edef68
i56084 added support for export selection in swf export

git-svn-id: https://svn.apache.org/repos/asf/openoffice/trunk@1585706 13f79535-47bb-0310-9956-ffa450edef68