Changed font family from open sans to Libre Baskerville.
Include new serif font "Libre Baskerville".
Set basic typographic rhythm. Set up variables for base font size, and brand font.
Better documentation on rule function.
Reorder html helpers to be all together. Set .img class to be applied for images that need to be 100% width. Code cleanup.
Brought in variables that are used in multiple contexts to the global level (main.less) file.
Applied retina media query variable. Applied customizations of column width classes for the mobile viewport.
Removed mixins file.
Presentational styling rules.
Compiled CSS.
Merge remote-tracking branch 'origin/master' into develop

Conflicts:
	css/main.css