fixed group del

src/groups.js

 
                 luticateAuthGroups.del = function(data, promise)
                 {
-                    return luticateRequest.post("/api/luticate/groups/" + data.user_id + "/del", null, null, promise);
+                    return luticateRequest.post("/api/luticate/groups/" + data.group_id + "/del", null, null, promise);
                 };
 
             return luticateAuthGroups;