Revert "Remove Expect from core library."

tools/publish_all_pkgs.py

 #!/usr/bin/env python
 #
 # Copyright (c) 2013, 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.
 #
 # Upload all packages in pkg/ (other than a few that should be explicitly
 # excluded), plus sdk/lib/_internal/compiler .
 #
 # Usage: publish_all_pkgs.py
 #
 # "pub" must be in PATH.
 
 
 import os
 import os.path
 import subprocess
 import sys
 
 def Main(argv):
   pkgs_to_publish = []
   for name in os.listdir('pkg'):
     if os.path.isdir(os.path.join('pkg', name)):
-      if (name != '.svn' and name != 'fixnum' and name != 'expect':
+      if name != '.svn' and name != 'fixnum':
         pkgs_to_publish.append(os.path.join('pkg', name))
 
   # Publish dart2js as an "unsupported" package.
   pkgs_to_publish.append(
     os.path.join('sdk', 'lib', '_internal', 'compiler'))
 
   for pkg in pkgs_to_publish:
     print "Publishing " + pkg
     subprocess.call(['python', 'tools/publish_pkg.py', pkg])
 
 if __name__ == '__main__':
   sys.exit(Main(sys.argv))