add LICENSE AUTHORS PATENTS so we can publish

R=sigmund@google.com

Review URL: https://codereview.chromium.org//105693012

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart/pkg/logging@31055 260f80e4-7a28-3924-810f-c04153c831b5
3 files changed
tree: 7a80048942a063c647cd36a07a2354242691e1e8
  1. lib/
  2. test/
  3. AUTHORS
  4. LICENSE
  5. PATENTS
  6. pubspec.yaml