Change intl to use new pub layout

pkg/intl/lib/number_symbols.dart

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 #library("number_symbols");
 
 /**
  * This holds onto information about how a particular locale formats numbers. It
  * contains strings for things like the decimal separator, digit to use for "0"
  * and infinity. We expect the data for instances to be generated out of ICU
  * or a similar reference source.
@@ skipping 17 matching lines @@
                        this.INFINITY,
                        this.NAN,
                        this.DECIMAL_PATTERN,
                        this.SCIENTIFIC_PATTERN,
                        this.PERCENT_PATTERN,
                        this.CURRENCY_PATTERN,
                        this.DEF_CURRENCY_CODE]);
 
   toString() => NAME;
 }