Add partial sass files
Split monolithic scss file to partials
Fix scss indentation and coding style
Block related rules should appear first

Readability matters.
Update classes ordering (alpha sort)
Merge pull request #98 from jmaupetit/styles-management

Styles management
Merge pull request #96 from jmaupetit/gemfile

Add Gemfile.lock as recommended in bundler docs
Use bundler/bower to manage dependencies

* Add Gemfile[.lock] with proper version constraints
* Add bower.json/.bowerrc
* Configure sass
* Update README