fix rand_ip bug, strip leading slash

src/main/java/org/cobbzilla/util/handlebars/HandlebarsUtil.java

@@ -547,6 +547,7 @@ public class HandlebarsUtil extends AbstractTemplateLoader {
                     randAddr = randAddr.substring(0, randAddr.lastIndexOf(".")) + ".1";
                 }
             }
+            if (randAddr.startsWith("/")) randAddr = randAddr.substring(1);
             return new Handlebars.SafeString(randAddr);
         });