added initial .gitignore
merged new development line from master
added stub header for Rio 2013 microsite
refactor: header data is now prepared in separate function
fetch image URI based on ID
backported changes from feature branch
include partials functions file
generate navmenus for rio2013 conference microsite
initial styles for rio2013 microsite
moved query vars setting to prepare_header function
refactored header partials
discontinuing Chrome Frame
wrapping header content for rio2013
rio2013 header styles
MONKEYPATCH: column width override for tests
MONKEYPATCH: stretch image vertically
footer code cleanup
full-screen background image
using img for background image
removed background image altogether - doing it via html elements