The new front matter variable `page_scripts` allows to specify
javascript ressources to be loaded in sync or async mode.
This allows javascript code to be loaded, that is only required for a
small set of pages (e.g. showing a map or a slider animation).

See #97

Fixes #97

* Add assets-webpack-plugin

Signed-off-by: budparr <budparr@gmail.com>

* Add generated Webpack Assets file

This file is generated by Webpack and writes the names of our hashed assets

Signed-off-by: budparr <budparr@gmail.com>

* Update stylesheet

Note sure why this was updated

Signed-off-by: budparr <budparr@gmail.com>

* Add CSS file from generated file

Replaces hardcoded path

Signed-off-by: budparr <budparr@gmail.com>

2.0 Enhancements

- Improve template structure
- Fixed issue where flexbox was configured improperly and the side column expanded with longer content.
- No longer assume that posts are called "post"
- Simplify tag handling
- Improve related posts handling
- Support native Table of contents (if declared in params)
- Add DISQUS commenting (if disqusShortname added to config)
- Uses Hugo's Related content feature 
- Add asset hashing to Webpack for performance