* Move the `js` module to a `js_sys` crate
* Update js-sys tests to pass again
* Update binding_to_unimplemented_apis_doesnt_break_everything
Remove its dependency on the `js` module
* Update metadata for js-sys
* Fix the `closures` example
* Changed eslintrc to be JSON file (Most projects use JSON version)
* Added .eslintignore to ingore node_modules from subdirectories such as examples
* Ran eslint --fix examples to fix all examples
* Added npm script for running eslint against examples
* Added npm script for running eslint against generated *out* code
* Hooked npm scripts into travis ci to prevent examples from becoming inconsistent with future PR's
