Integration tests. apigen.dart goes first.
Add transformer integration test
Move -x option to the next line; it confuses drone.io
Add presubmit script
Fail presubmit on error
Finish integration tests & presubmit
Move integration tests into the "test" folder
Support services in the code emitter, and add a basic example to the generated test clients.
Merge pull request #213 from yjbanov/integration-tests

Integration tests & presubmit script
Final fields.
Merge pull request #215 from alxhub/service-client

Support services in the code emitter, and add a basic example to the generated test clients.
Move from json to dart:convert; compiler warnings
Remove unnecessary observable wrapping logic
Merge pull request #221 from yjbanov/json-to-convert

Move from json to dart:convert; compiler warnings