updated pub dependencies
updated local copy of interop.js
big update to packaged app

using chrome_gen
updated other dependencies
don't need m4a audio for packaged app
latest SDK
dart2js
updated javascript
updated dependencies
fix deprecations
dart2js
tiny tweaks to DOM game
fixed dom game html
latest SDK
bump to latest hop
Adds wercker.yml that defines the build
Echo environment information
Adds wercker badge to README
Print cache dir after build
List pub-cache content
List home dir as well