* Switch to using Kotlin in of groovy for the gradle configurations.
* Gradle file cleanup.
* Switch to using Kotlin in of groovy for the gradle configurations.
* Gradle file cleanup.
* Retrofit (and maybe others libs) requires java compile options 1.8, still backwards compatible.
* Prep for release 1.9.0-XXX
* Fix ktLint errors.
* Fix app version in settings.
* Dependency Upgrades
* Enable beta -> production promotion via tag in Travis.
* Fix firebase release notes location.
* Add some logging around what we are building.
* TRAVIS_PULL_REQUEST is a number or false....