tweaks for latest niantic update

iitc detects the correct map params anyway, but warns when fallback values are different
also, new data in portal entities - unknown12 (only seen 'null') and index 13 (portal timestamp)
the timestamp is also in the portal details, so this will be handy

code/entity_decode.js

@@ -53,7 +53,9 @@
       title:         a[8],
       ornaments:     a[9],
       mission:       a[10],
-      mission50plus: a[11]
+      mission50plus: a[11],
+      unknown12:     a[12],
+      timestamp:     a[13]
     };
   };