goodreads updated, add mat1263d PDFs
add openid, update goodreads.html
use velocity.js to accelerate animation
Revert "use velocity.js to accelerate animation"

This reverts commit 5080ceea335d51afd03f6cb84a2f472d0fecd6c5.
fix and refactor goodreads.py after they broke API

add job at PIBT
add button to expand header
tweak CSS and javascript
update and clean up backgrounds
fix fontawesome and CSS bugs in IE