in the xdoclet, the input attribute for the attribute has been removed. this is so, because usually its called directly and the action wasnt triggered from any other page
added new constants TYPE_ONLINE and TYPE_OFFLINE also new method returnFileType() which is a helper method to determine whether its an online file or offline file
method initAttachmentData to initialise and setup test data for test cases in relation to testing NoticeboardAttachmentDAO methods and corresponding methods in the service bean