use masthead for the main nav
fix indenting
update for todc bootstrap
remove the ads
update the download buttons
update the icons
initial brand specific updates
Merge branch 'master' into brand
Merge branch 'master' into brand
remove ads from the "Table of contents"
tweak bs-sidenav
tweak the top padding for h1[id]
remove the follow and tweet buttons
Merge branch 'master' into brand
Merge branch 'master' into brand
Merge branch 'master' into brand
Merge branch 'master' into brand
Merge branch 'master' into brand
Merge branch 'master' into brand
Merge branch 'master' into brand