Dojo 2.0 package compatibility

[martinpengellyphillips]

Look at https://github.com/kitsonk/dojo2-boilerplate-package and match where appropriate.

Also, add package/versions as part of package.json (see https://docs.google.com/document/d/17B7A0eGbBAYsuZTQCnMnQ-xNiuB5NVc4vKYJqp3a_CE)