add versions and constraints for packages and samples

- all packages at 0.9.0, except "analyzer" which had a version already
- dependencies at ">=0.9.0 <0.10.0" except analyzer is ">=0.10.0 <0.11.0"
- sdk constraint ">=1.0.0 <2.0.0"

R=sigmund@google.com

Review URL: https://codereview.chromium.org//59763006

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart/pkg/watcher@29957 260f80e4-7a28-3924-810f-c04153c831b5
1 file changed
tree: 02aa1839987e4547e3a2805bdfcf939a3bae6659
  1. example/
  2. lib/
  3. test/
  4. pubspec.yaml
  5. README.md
README.md

A file watcher. It monitors (currently by polling) for changes to contents of directories and notifies you when files have been added, removed, or modified.