Implement modular compilation

lib/devc.dart

Index: lib/devc.dart
diff --git a/lib/devc.dart b/lib/devc.dart
deleted file mode 100644
index 17982ca7348f75e3a80650716dbf29fe0791b073..0000000000000000000000000000000000000000
--- a/lib/devc.dart
+++ /dev/null
@@ -1,12 +0,0 @@
-// 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.
-
-/// The main library for the Dart Dev Compiler.
-
-export 'src/analysis_context.dart'
-    show createAnalysisContext, createAnalysisContextWithSources;
-export 'src/compiler.dart' show BatchCompiler, setupLogger;
-
-// When updating this version, also update the version in the pubspec.
-const devCompilerVersion = '0.1.24';