Merge pull request #2 from dart-gde/master

re-merge
Merge pull request #3 from financeCoding/m4_breaking_changes

M4 breaking changes
Merge branch 'master' of https://github.com/dart-gde/discovery_api_dart_client_generator into dart-gde-master
Added hop dependency to generated libraries' pubspec.
Added per generated library hop support.
Merge pull request #30 from damondouglas/master

Hop analysis of libraries OK