ULTIMATE AMOTIC COMMIT

Yes. AMOTIC.

* Seriously. Changed file structure dramatically. Not Batman
dramatically, but still pretty up there.
* Added a fancy section mixin that lets sections auto-number (but not
the top Table of Contents… wah wah)
* Removed some dumb variables and maps (they were overkill)
* added `_utilities` folder (super cool place for things like clearfix
and normalize)
* Decided a section for IE was illogical. Preferred method is now
including IE-specific classes with respective element being IE-ized.