Creates new activity feed
Adds activity feed
Shows activity feed on homepage, unstyled
Creates add_activity hookf for chat
Creates static page for chat info
Styles activity flag
Styles callout on homepage
Styles main header
Styles side nav bar
Styles footer
Styles nav bar
Styles podcast show and podcast index page headers
More styling and refactoring css and partials
Styles more stuff
Finishes styling
Passes all specs