Rename modules to components and layout to layouts.
Add base-elements partial.
Add $vertical-rhythm variable.
Move top/bottom vertical rhythm from .centered to body.
Refactor .skip-link component.
Add comments for pull-quotes component.
Refactor styling to create proper .meta component.
Make layout classes use l- prefix.
Add meta information to header and footer.
Update base element styling.
Refactor meta component.
Move pull-quote lower in main text.
Refactor layout.
Remove IE7 support from sample project code.
Remove placeholder styles for visually-hidden module.
Rearrange code in skip-link component.
Update pull-quote component.
Add nested grid to sample project.
Update the sample project to use component-based styling and new Zen Grids API.