We've had some issues with different dependencies causing different results based on the environment,
which in turn causes unnecessary diffs - making our work harder to review.
Comments can be read through the ES6 source files, and through source maps when
generated through `npm run build --development`
- Adds ES6 support via Babel
- Transforms existing JavaScript to UMD modules
- Adds module bundling via Browserify
- Existing JavaScript converted to UMD modules
- lib.js and leftandmain.js are bundled using browserify
- JavaScript minifying of bundles handed by gulp
- Includes a package.json file with build and CI scripts
- Includes shrinkwrap file for locking dependency version
- Includes Gulp for running build tasks
- Includes a 'build' task for copying library files from node_modules to thirdparty
- Includes a 'sanity' task for makes sure library files in thirdparty match what's in node_modules
- Includes updates to .travis.yml (new JS_SANITY_CHECK flag) to run the sanity task
