Fix all strong-mode warnings.
Merge pull request #27 from dart-lang/remove-async

Remove async from dev_dependencies.
tree: 53718d847c03228f3f8cb91bddaa8743e9f9ce84
  1. benchmark/
  2. example/
  3. lib/
  4. test/
  5. .analysis_options
  6. .gitignore
  7. .test_config
  8. CHANGELOG.md
  9. codereview.settings
  10. LICENSE
  11. pubspec.yaml
  12. README.md
README.md

A file system watcher.

It monitors changes to contents of directories and sends notifications when files have been added, removed, or modified.