MB-100 Don't crash if Min of Max is not an integer.

The can also be an atom infinity.

Change-Id: I734c6fa6bf1c646651211bb85214a98ae9130162
Reviewed-on: http://review.couchbase.org/28551
Tested-by: Aliaksey Artamonau <aliaksiej.artamonau@gmail.com>
Reviewed-by: Aliaksey Kandratsenka <alkondratenko@gmail.com>

src/menelaus_web_xdc_replications.erl

@@ -360,7 +360,7 @@ parse_validate_by_type({int, Min, Max}, Str) ->
         {ok, Parsed} ->
             {ok, Parsed};
         _Error ->
-            Msg = io_lib:format("The value must be an integer between ~b and ~b",
+            Msg = io_lib:format("The value must be an integer between ~p and ~p",
                                 [Min, Max]),
             iolist_to_binary(Msg)
     end;