* Integrate Spotless in build
* Update CONTRIBUTING.md
* Move improperly placed copyright comments
* Update copyright indent
* Don't format test fixtures
* Run spotlessApply over the whole repo
* Remove checkstyle configs
* Run spotlessCheck on CI
* Add comment explaining why lifecycled presenters exist
* Fix package name for rib debug utils
* Rename rib-assert -> rib-test-utils
* Delete orphaned files
* Refactor router-navigator into its own module. Fix some gradle dependencies
* Update the rib intellij template readme
* Include prebuilt plugin.jar
* Include link to plugin.jar in readme
* Add link to plugin inside tutorial1 readme
* Add license