Bring the YAML package's style up to modern standards.

R=jmesserly@google.com, rnystrom@google.com

Review URL: https://codereview.chromium.org//274953002

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart/pkg/yaml@36386 260f80e4-7a28-3924-810f-c04153c831b5
15 files changed
tree: 7d61c4a596df61305cd6c40730858711ff94e1bd
  1. pkgs/