Started the portfolio rework.

Parts of it aren't yet ready for prime time.  This branch should NOT be
published nor should it be merged into master until after WCI website
goes live.
Added the first few pages to the portfolio.
Added ToC support.

The `toc` attribute, set to `true`, will generate a table of contents
through JavaScript.  Better living through JavaScript!
Tweaked the TOC code to make it better.
Made Sticky Footer code a Sass file.
Removed Pinterest from _config.yml.
Slight rework of the pro qualities page.
Added two new backgrounds.
Rewrote much of T&C page.
Added T&C link to footer.
Rewrote parts of bio, added TOC support
Added type styles for table of contents.
Changed background image to a better one.
Merged authoritative version of rt38.coffee.
Tweaked the TOC code to make it better.

Resolved a merge conflict from lack of EOL at end of file?
Merge branch 'portfolio-rework'

Conflicts:
	js/rt38.coffee