Code cleanup and JavaDocs in OfbizUrlTransform.java.

If a web site ID is specified, the transform does not require a HttpServletRequest object - so the transform will work in scheduled services.


git-svn-id: https://svn.apache.org/repos/asf/ofbiz/trunk@1535246 13f79535-47bb-0310-9956-ffa450edef68