rename ddc -> dev_compiler, fixes #84

lib/src/utils.dart

 // Copyright (c) 2015, 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.
 
 /// Holds a couple utility functions used at various places in the system.
-library ddc.src.utils;
+library dev_compiler.src.utils;
 
 import 'dart:io';
 
 import 'package:path/path.dart' as path;
 import 'package:analyzer/src/generated/ast.dart'
     show
         ImportDirective,
         ExportDirective,
         PartDirective,
         CompilationUnit,
@@ skipping 208 matching lines @@
   void dec([int n = 2]) {
     _indent = _indent - n;
     assert(_indent >= 0);
     _prefix = "".padRight(_indent);
   }
 
   void close() {
     new File(_path).writeAsStringSync('$_sb');
   }
 }