Add script to publish all packages in repo to pub.

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
+          not name.endswith('-experimental')):
+        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))