Adapts to r1570810 <<Performance optimization for UtilHttp.getFullRequestUrl method: instead of returning a StringBuffer object (synchronized) it now returns a String (immutable); internally it uses a StringBuilder (lighter because not synchronized) within a private context.>>

git-svn-id: https://svn.apache.org/repos/asf/ofbiz/branches/OFBIZ-5312-ofbiz-ecommerce-seo-2013-10-23@1577941 13f79535-47bb-0310-9956-ffa450edef68