update internal boilerplate code.

update internal boilerplate code.

update internal boilerplate code.

Merge pull request krzysztofzablocki#826 from erichoracek/update-version

Update version to 0.18.0

update internal boilerplate code.

update internal boilerplate code.

update internal boilerplate code.

update internal boilerplate code.

update internal boilerplate code.

update internal boilerplate code.