add support to switch off old local nav
add top bar signposting
rotate local nav
add css class for pages belonging to sub sections
Merge branch 'responsive-nav' of github.com:guardian/frontend into responsive-nav
add class for home link on top nav
remove current top section from top nav
add signposting logic for top sections
add mega nav styling
Merge branch 'responsive-nav' of github.com:guardian/frontend into responsive-nav
Fix merge conflicts
Prevent old nav items from being displayed if new navigation switch is on
don't render signposting for top sections with no local nav
Merge branch 'responsive-nav' of github.com:guardian/frontend into responsive-nav
Style new navigation when it's out of its top wrapper
Merge branch 'responsive-nav' of github.com:guardian/frontend into responsive-nav
Fix toggle button size
Add a class to the body when new navigation is on
add toggle mega nav functionality
Style signposting