Added footer; closes #3

Added list of footer links
Added footer class CSS (see bootswatch fork)
Site info link removed from navigation, since it's in the footer
Merge pull request #5 from FlyingHyrax/add-footer

Added footer
Added site info blurb
Consolidated ACM and chapter info into one page
Moved site info, removed info directory
Fixed local path to homepage in navbar
Cap container width at 940px
Added some bootstrap grids