readme: installation
readme: installation
ignore: .DS_Store
packaging: upgrade hbs and less-middleware/less

* less-middleware upgraded to fix [0]
* hbs upgraded for its renderPartials() feature

[0]: https://github.com/emberfeather/less.js-middleware/issues/42
flat ui: upgrade flat ui and keep its less files around
assets: one less file to bring them all and in the darkness bind them