- Update assets_json directly from node
- Show error overlay or success message
- Open file in editor from error overlay

- For better HTTP caching and cache busting
- assets.json is created under [app]/dist folder which contains the map
of input file and output file name, this is used to get the correct path for
bundled assets

- basic watch mode
- Node paths include all app node_modules and app folders
- rename output directory to "dist"
- output files in flat directories: dist/js and dist/css

- add support for multiple file types

- Deprecate use of build.json
- *.bundle.js files placed anywhere in the public folder are bundled
- Built files are created in public/build folder which is gitignored

WIP