Converting CSS to SASS, Compass setup

Restructuring CSS into collection of partials, adding basic imports,
mixins, and variables based upon WP-Theme-Forme
Adding retina graphics helper
Adding Susy for responsive grid
Updates to gitignore
style.css as generated via Compass/SASS

(plus CodeKit config file)
Removing retina to add as submodule
Add retina graphics compass plugin as submodule
Update and improve config and local dev workflow
Fix CSS to SASS conversion, restructure SASS to use jekyll plugin
Cleanup from SASS restructuring
Markdownify work page
Restructure templating (more modular)
Markdown formatting cleanup for consistency
Content cleanup + adapting to new config structure
Update atom feed based on Minimal Mistakes theme
Add JS conditional check to prevent errors
Style tweaks and improvements
Remove retina plugin (again), will update submodule
Add SASS retina plugin into the right place
Merge pull request #1 from acusti/compassification

Compassification, formatting cleanup, restructurization, config updatification, content fixation