* Rewrite translator for efficiency and clarity
* Fixed failing tests
* Gorram tabs
* Move cache to Translator class, simplify creation
* Documentation and linting
* Use new translator API where it makes sense
* Revert 499fbe21fdd5b7f2735a27e76a300f69039cfbd3 (except translator.d.ts)
* promise polyfill for node<4
* Set `load` on the prototype
* Comment on Translator#translate
* Delete translator.d.ts
* Support translations added by plugins
Peter Jaszkowiak