Moved pkg pubspecs to use dev_dependencies where appropriate

BUG=https://code.google.com/p/dart/issues/detail?id=9309

Review URL: https://codereview.chromium.org//12962003

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@20285 260f80e4-7a28-3924-810f-c04153c831b5
1 file changed
tree: ccd2b48f94e68d6df90fc9a9992299458add9a63
  1. lib/
  2. test/
  3. pubspec.yaml