Added a helpful method to WebAppUtil.java.


git-svn-id: https://svn.apache.org/repos/asf/ofbiz/trunk@1535268 13f79535-47bb-0310-9956-ffa450edef68
Simplified some code in OfbizUrlTransform.java.


git-svn-id: https://svn.apache.org/repos/asf/ofbiz/trunk@1535270 13f79535-47bb-0310-9956-ffa450edef68