unify header popup menus toggle behaviour
remove old toggle script
simplify css
Merge remote-tracking branch 'origin/master' into top-nav-improvements
add observer logos
display observer logo on observer front
point observer logo to observer front
point to the right place
adding experiment
move ab bucketing into javascriptLaterSteps
add config back in
config everywhere
using globalConfig
Adding ab test to dfp targeting
update start date
Merge branch 'observer-logo' of github.com:guardian/frontend into observer-logo

Conflicts:
	common/app/views/fragments/header.scala.html
Merge remote-tracking branch 'origin/master' into top-nav-improvements

Conflicts:
	common/app/assets/stylesheets/layout/_header.scss
	common/app/views/fragments/topNav/servicesLinks.scala.html
make more link target services menu
css adjustments
add style for links states