Beginning overhaul Item, using new naming scheme, intrinsic ratios,etccc.
Fix variable naming
Update to use Shiny.
Shiny docs, package info, restore Container
Add $Container--max_width default value
Add -spaceless variant to Container
Add +variants, +auto-extend mixins
Add Block module
Update to new Subcomponent naming convention
Move Cover to its own component
Fix text block width (compensate for padding)
Improve API for cleaner CSS output (primarily reduced selector bloat)
Using data-attributes instead of classes for the per-block layout rules.
Use correct intrinsic ratio mixins, cover variants.
Consistent naming scheme for variables
Remove fancy quotes

They were causing a compilation error under Compass 1.0.0.alpha.19