darrell is about to change the directory name from guides to library
merging in master, still need to move files from guides to library and fix css
fixed css issue
changed name of github flashcards deck
move all remaining files from the older /guides/ dir to /library/. Code with explicit paths may still have to be changed.
update links to thinkful.com to be trackable
add landing page for new /learn section
update timeout for flyout to appear to be 15 seconds from 30
add robots.txt, sitemap.xml and favicon.ico to root dir, files and tests part of splash app.
move entire library app to better named /learn from /library
add cached learn.css