[chore] Release 7.1.1 (firebase#518)

[chore] Release 7.1.0 (firebase#503)

- Release 7.0.1
- Includes Remote Config API firebase#446

[chore] Release 7.0.1 (firebase#484)

[chore] Release 7.0.0 (firebase#473)

[chore] Release 6.16.0 (firebase#471)

[chore] Release 6.15.0 (firebase#457)

[chore] Release 6.14.0 (firebase#444)

[chore] Release 6.13.0 take 4 (firebase#416)

[maven-release-plugin] copy for tag v6.12.2

[maven-release-plugin] copy for tag v6.12.1