changed placeholder image, documentation link, and grid code example
initial navigation Sass build and floating elements added. Changed grid to use a mixin.
push and pull colors updated
added pre and post classes (future) and orange color updated
grid mixin created and semantic grid added (includes type and width)
show and hide adjusted to be more fluid. float elements added.
navigation - breadcrumbs initial
typography changed to use REMs with fallback to pixels for older browsers
components - navigation for breadcrumbs and basic tabs added
features - typography for blockquotes and lists (ordered and unordered)