* Created site files are now placed in an output directory `dist`
* Added a ton of comments in build.js
* Made functions in build.js use bluebird promises
* Themes are now in the assets/templates folder instead as magic
strings in the source code
* Any number of custom themes (not just light and dark) can be used by creating
a [theme].css file and putting it in assets/themes
* CSS themes are rendered with Handlebars
* CSS themes now rely on Handlebars for specifying the background
* Restored config.json to template file
* Changes to the blogging
* Moved blog templates and config files to assets/blog
* Created blog pages now go to dist/blog/
* Updated blogTemplate
* Updated the README to reflect the changes made by this pull request
* Added link to demo site in README
* Added sorting and ordering
