Work around bug in Honcho

Namely, https://github.com/nickstenning/honcho/issues/56.
Merge branch 'master' into rationalize-css
Reference base styles internally, not externally

This let's us use the font/color/etc. mixins we define in the main SCSS.
Format pages using styles from main CSS

This uses the col0 layout, with its H1/H2.