fix comment: HTML --> HTML5
whitespace tweaks
add 'Source' link to footer
Merge pull request #3 from waldir/master

add "source" link to footer
Merge branch 'table-conversion' of github.com:flatiron-school/gitbo into table-conversion
Merge branch 'table-conversion' of github.com:flatiron-school/gitbo into table-conversion
styling the list