moved rsvp to dependencies
0.0.60
Fix bug with too aggressive Unicode escape sequences

Fixes #1308
Reorg TraceurLoader along the lines outline in es-discuss.

Loader: interface with spec functions .import(), .module().
Loader impl is InternalLoader. InternalLoader focused on dependencies.
TraceurLoader extends Loader implements normalize/locate/fetch.
InternalLoader uses Loader interface for .normalize() et al.
InternalLoader uses new LoaderCompiler,  internal API for Loader to Compiler.
(Renamed LoaderHooks -> LoaderCompiler, no longer related to es6 'hooks').
Remove obsolete InterceptOutputLoaderCompiler and repl.js.

Review URL: https://api.github.com/repos/google/traceur-compiler/issues/1302

Closes #1302.
Add support for transpiling ES6 Unicode regular expressions

https://github.com/mathiasbynens/regexpu
https://mathiasbynens.be/notes/es6-unicode-regex
Use HTTPS for the demo REPL

GitHub Pages offers HTTPS out-of-the box — there’s no reason not to use it.
Use the `files` directive in `package.json` instead of `.npmignore`

`.npmignore` is a blacklist, while `files` is a whitelist-based approach. The latter is much easier to maintain. See https://www.npmjs.org/doc/files/package.json.html#files for more info.

This patch does not affect the files that are included in the package.