Merge pull request #145 from sarahelizabeth/master

CSS fixes, footer nav
tiny tweak
Merge pull request #146 from sarahelizabeth/master

CSS fixes, tried to implement sticky flowchart
rolled back and branched off sticky flowchart
Merge pull request #147 from bepetersn/master

branched off the sticky flowchart changes, kept everything else
jquery tweaks, css tweaks, etc