* Convert tests to TypeScript
* Add types for tests
* Rename files to TS
* Fix up test imports
* Fix TSC errors
* Liiiint
* Add types to util method signatures
* Some more types
* Remove .js from lovelace
Also cleaned up some trailing whitespace
* Go big or go home
* More removals
* Revert changes to gallery webpack
* Revert changes to webpack.config.js
* Organize files
* Import EventsMixin
* Import NavigateMixin
* Dissolve window.hassMixins
* Apply ElementMixin when we use it
* Update tests to point at right dir
* Eslint
* Clean
* Update mixins inside hassio
* Update lint command"
* Fix polymer lint