Merge pull request #72 from financeCoding/master

Bring samples up to speed.
Updated README
Modified authors file
Removed pubspec.lock and add to .gitignore
Updated hop_runner and updated pubspec dependencies

R=financeCoding@gmail.com

Review URL: https://chromiumcodereview.appspot.com//23203005
Fixed imports which were broken due to repo name change

R=johnmccutchan@google.com

Review URL: https://chromiumcodereview.appspot.com//23011022